diff --git a/README.md b/README.md
index 20fafbb..3bfe47e 100644
--- a/README.md
+++ b/README.md
@@ -328,6 +328,9 @@ a little description and the default value:
 | **tags-input-name** | `String` | `"tag"` | Name to use as `name=""` in single tags' input. By default, all tags being passed as array like `tag[]`. |
 | **tags-limit** | `Integer` | `0` | Limit the number of tags that can be added, zero for no limit. |
 | **type-zone-class** | `String` | `"type-zone"` | Class of the type-zone. |
+| **allowed-words** | `Array` | `[]` | Array of allowed words. |
+| **allowed-words-callback** | `Function` | `window.alert` | Function to call when allowed words are not detected. |
+| **allowed-words-text** | `String` | `"Tag not allowed:"` | Basic text passed to when allowed words not detected `allowed-words-callback`. |
 
 ## Available Methods ##
 
diff --git a/tagging.js b/tagging.js
index b10f510..d5f82ae 100644
--- a/tagging.js
+++ b/tagging.js
@@ -84,7 +84,11 @@
             "tags-input-name": "tag",                       // Name to use as name="" in single tags (by default tag[])
             "tag-on-blur": true,                            // Add the current tag if user clicks away from type-zone
             "tags-limit": 0,                                // Limit the number of tags that can be added, zero means no limit
-            "type-zone-class": "type-zone"                 // Class of the type-zone
+            "type-zone-class": "type-zone",                 // Class of the type-zone
+            "allowed-words": [],                           // Array of allowed words
+            "allowed-words-callback": window.alert,       // Function to call when there is a allowed words
+            "allowed-words-text": "Tag not allowed:"      // Basic text passed to allowed-words callback
+
         },
 
         /**
@@ -99,7 +103,7 @@
 
             var $tag, l, self,
                 index, forbidden_words,
-                callback_f, callback_t;
+                callback_f, callback_t, allowed_words;
 
             // Caching this
             self = this;
@@ -115,6 +119,8 @@
             // Forbidden Words shortcut
             forbidden_words = self.config[ "forbidden-words" ];
 
+            allowed_words   = self.config[ "allowed-words"];
+
             // If no text is passed, take it as text of $type_zone and then empty it
             if ( ! text ) {
                 text = self.valInput();
@@ -153,6 +159,25 @@
                 }
             }
 
+            // Check if text is allowed or not
+            l = allowed_words.length;
+            while ( l-- ) {
+
+                //  looking for words which are allowed
+                if ( ! allowed_words.includes(text) ) {
+
+                    // Removing all text and ','
+                    self.emptyInput();
+
+                    // Renaiming
+                    callback_f = self.config[ "allowed-words-callback" ];
+                    callback_t = self.config[ "allowed-words-text" ];
+
+                    // Remove as a duplicate
+                    return self.throwError( callback_f, callback_t, text );
+                }
+            }
+
             // If no-duplicate is true, check that the text is not already present
             if ( self.config[ "no-duplicate" ] ) {
 
diff --git a/tagging.min.js b/tagging.min.js
index 9e64639..6db42a3 100644
--- a/tagging.min.js
+++ b/tagging.min.js
@@ -1 +1 @@
-/*! taggingJS - v1.3.3 - 2015-05-04 */(function(e,l,g,p){var n=function(b,a){this.elem=b;this.$elem=e(b);this.options=a;this.tags=[]};n.prototype={keys:{add:{comma:188,enter:13,spacebar:32},remove:{del:46,backspace:8}},defaults:{"case-sensitive":!1,"close-char":"&times;","close-class":"tag-i","edit-on-delete":!0,"forbidden-chars":[".","_","?"],"forbidden-chars-callback":l.alert,"forbidden-chars-text":"Forbidden character:","forbidden-words":[],"forbidden-words-callback":l.alert,"forbidden-words-text":"Forbidden word:","no-backspace":!1,"no-comma":!1,"no-del":!1,"no-duplicate":!0,"no-duplicate-callback":l.alert,"no-duplicate-text":"Duplicate tag:","no-enter":!1,"no-spacebar":!1,"pre-tags-separator":", ","tag-box-class":"tagging","tag-box-editable-class":"editable","tag-char":"#","tag-class":"tag","tags-input-name":"tag","tag-on-blur":!0,"tags-limit":0,"type-zone-class":"type-zone"},add:function(b){var a,d,c,f,m;c=this;if(e.isArray(b))return e.each(b,function(){c.add(this+"")});m=c.config["forbidden-words"];b||(b=c.valInput(),c.emptyInput());if(!b||!b.length)return!1;c.config["case-sensitive"]||(b=b.toLowerCase());for(d=m.length;d--;)if(f=b.indexOf(m[d]),0<=f)return c.emptyInput(),d=c.config["forbidden-words-callback"],f=c.config["forbidden-words-text"],c.throwError(d,f,b);if(c.config["no-duplicate"])for(d=c.tags.length;d--;)if(c.tags[d].pure_text===b)return c.emptyInput(),d=c.config["no-duplicate-callback"],f=c.config["no-duplicate-text"],c.throwError(d,f,b);a=e(g.createElement("div")).addClass(c.config["tag-class"]).html("<span>"+c.config["tag-char"]+"</span> "+b);e(g.createElement("input")).attr("type","hidden").attr("name",c.config["tags-input-name"]+"[]").val(b).appendTo(a);e(g.createElement("a")).attr("role","button").addClass(c.config["close-class"]).html(c.config["close-char"]).click(function(){c.remove(a)}).appendTo(a);a.pure_text=b;c.tags.push(a);c.$type_zone.before(a);0<c.config["tags-limit"]&&c.tags.length>=c.config["tags-limit"]&&(c.$elem.removeClass(c.config["tag-box-editable-class"]),c.$type_zone.hide());c.$elem.trigger("add:after",[b,c]);return!0},addSpecialKeys:function(b){var a,d,c,f;a=this;f=b[0];c=b[1];b={};if(e.isArray(c))return e.each(c,function(){a.addSpecialKeys([f,this])});if(!c&&c.constructor!==Object)return"Error -> The second argument is not an Object!";for(d in c)c.hasOwnProperty(d)&&c[d]===+c[d]&&c[d]===(c[d]|0)&&e.extend(b,c);a.keys[f]=e.extend({},b,a.keys[f]);return a.keys[f]},destroy:function(){this.$elem.find("."+this.config["type-zone-class"]).remove();this.$elem.find("."+this.config["tag-class"]).remove();this.$elem.data("tag-box",null);return!0},emptyInput:function(){this.focusInput();return this.valInput("")},focusInput:function(){return this.$type_zone.focus()},getDataOptions:function(){var b,a,d;d={};for(b in this.defaults)(a=this.$elem.data(b))&&(d[b]=a);return d},getSpecialKeys:function(){return e.extend({},this.keys.add,this.keys.remove)},getSpecialKeysD:function(){return this.keys},getTags:function(){var b,a,d;d=this.tags.length;b=[];for(a=0;a<d;a+=1)b.push(this.tags[a].pure_text);return b},getTagsObj:function(){return this.tags},init:function(){var b,a,d;a=this;a.config=e.extend({},a.defaults,a.options,a.getDataOptions());b=a.$elem.text();a.$elem.empty();a.$type_zone=e(g.createElement("input")).addClass(a.config["type-zone-class"]).attr("contenteditable",!0);a.$elem.addClass(a.config["tag-box-class"]).addClass(a.config["tag-box-editable-class"]).append(a.$type_zone);a.$type_zone.keydown(function(c){var b,d,e,g,k,h;e=a.getSpecialKeys();k=a.config["forbidden-chars"];h=a.valInput();g=c.which;if(h){for(e=k.length;e--;)if(d=h.indexOf(k[e]),0<=d)return c.preventDefault(),h=h.replace(k[e],""),a.focusInput(),a.valInput(h),c=a.config["forbidden-chars-callback"],b=a.config["forbidden-chars-text"],a.throwError(c,b,k[e]);for(b in a.keys.add)if(g===a.keys.add[b]&&!a.config["no-"+b])return c.preventDefault(),a.add()}else for(b in e)if(g===e[b]){if(a.keys.add[b]){c.preventDefault();break}if(a.keys.remove[b]&&!a.config["no-"+b])return c.preventDefault(),a.remove()}return!0});a.config["tag-on-blur"]&&a.$type_zone.focusout(function(){return(d=a.valInput())&&d.length?a.add():!1});a.$elem.on("click",function(){a.focusInput()});a.refresh(b);return a},refresh:function(b){var a,d;a=this;d=a.config["pre-tags-separator"];b=b||a.getTags().join(d);a.reset();e.each(b.split(d),function(){a.add(this+"")});return!0},remove:function(b){var a,d,c;a=this;if(e.isArray(b))return e.each(b,function(){a.remove(this+"")});if("string"===typeof b&&(d=b,b=a.$elem.find("input[value="+d+"]").parent(),!b.length))return"Error -> Tag not found";if(b)for(c=a.tags.length;c--;)a.tags[c][0].innerHTML===b[0].innerHTML&&a.tags.splice(c,1);else b=a.tags.pop();d=d||b.pure_text;b.remove();a.config["edit-on-delete"]&&(a.emptyInput(),a.valInput(b.pure_text));0<a.config["tags-limit"]&&a.$type_zone.not(":visible")&&a.tags.length<a.config["tags-limit"]&&(a.$elem.addClass(a.config["tag-box-editable-class"]),a.$type_zone.show());a.$elem.trigger("remove:after",[d,a]);return b},removeAll:function(){return this.reset()},removeSpecialKeys:function(b){var a,d,c;a=this;c=b[0];b=b[1];if(e.isArray(b))return e.each(b,function(){a.removeSpecialKeys([c,this])});for(d in a.keys[c])a.keys[c].hasOwnProperty(d)&&a.keys[c][d]===b&&(a.keys[c][d]=p);return a.keys[c]},reset:function(){for(;this.tags.length;)this.remove(this.tags[this.tags.length]);this.emptyInput();return this.tags},throwError:function(b,a,d){return b([a+" '"+d+"'."])},valInput:function(b){return null==b?this.$type_zone.val():this.$type_zone.val(b)}};e.fn.tagging=function(b,a){var d=[];this.each(function(){var c,f;c=e(this);(f=c.data("tag-box"))?(c=f[b](a))&&d.push(c):(f=new n(this,b),c.data("tag-box",f),f.init(),d.push(f.$elem))});return"string"===typeof b?1<d.length?d:d[0]:d}})(window.jQuery,window,document);
+/*! taggingJS - v1.3.3 - 2017-07-20 */!function(a,b,c,d){var e=function(b,c){this.elem=b,this.$elem=a(b),this.options=c,this.tags=[]};e.prototype={keys:{add:{comma:",",enter:"Enter",spacebar:" "},remove:{del:"Delete",backspace:"Backspace"}},defaults:{"case-sensitive":!1,"close-char":"&times;","close-class":"tag-i","edit-on-delete":!0,"forbidden-chars":[".","_","?"],"forbidden-chars-callback":b.alert,"forbidden-chars-text":"Forbidden character:","forbidden-words":[],"forbidden-words-callback":b.alert,"forbidden-words-text":"Forbidden word:","no-backspace":!1,"no-comma":!1,"no-del":!1,"no-duplicate":!0,"no-duplicate-callback":b.alert,"no-duplicate-text":"Duplicate tag:","no-enter":!1,"no-spacebar":!1,"pre-tags-separator":", ","tag-box-class":"tagging","tag-box-editable-class":"editable","tag-char":"#","tag-class":"tag","tags-input-name":"tag","tag-on-blur":!0,"tags-limit":0,"type-zone-class":"type-zone","allowed-words":[],"allowed-words-callback":b.alert,"allowed-words-text":"Tag not allowed:"},add:function(b){var d,e,f,g,h,i,j,k;if(f=this,a.isArray(b))return a.each(b,function(){f.add(this+"")});if(h=f.config["forbidden-words"],k=f.config["allowed-words"],b||(b=f.valInput(),f.emptyInput()),!b||!b.length)return!1;for(f.config["case-sensitive"]||(b=b.toLowerCase()),e=h.length;e--;)if(g=b.indexOf(h[e]),g>=0)return f.emptyInput(),i=f.config["forbidden-words-callback"],j=f.config["forbidden-words-text"],f.throwError(i,j,b);for(e=k.length;e--;)if(!k.includes(b))return f.emptyInput(),i=f.config["allowed-words-callback"],j=f.config["allowed-words-text"],f.throwError(i,j,b);if(f.config["no-duplicate"])for(e=f.tags.length;e--;)if(f.tags[e].pure_text===b)return f.emptyInput(),i=f.config["no-duplicate-callback"],j=f.config["no-duplicate-text"],f.throwError(i,j,b);return d=a(c.createElement("div")).addClass(f.config["tag-class"]).html("<span>"+f.config["tag-char"]+"</span> "+b),a(c.createElement("input")).attr("type","hidden").attr("name",f.config["tags-input-name"]+"[]").val(b).appendTo(d),a(c.createElement("a")).attr("role","button").addClass(f.config["close-class"]).html(f.config["close-char"]).click(function(){f.remove(d)}).appendTo(d),d.pure_text=b,f.tags.push(d),f.$type_zone.before(d),f.config["tags-limit"]>0&&f.tags.length>=f.config["tags-limit"]&&(f.$elem.removeClass(f.config["tag-box-editable-class"]),f.$type_zone.hide()),f.$elem.trigger("add:after",[b,f]),!0},addSpecialKeys:function(b){var c,d,e,f,g;if(c=this,g=b[0],f=b[1],e={},a.isArray(f))return a.each(f,function(){c.addSpecialKeys([g,this])});if(!f&&f.constructor!==Object)return"Error -> The second argument is not an Object!";for(d in f)f.hasOwnProperty(d)&&f[d]===+f[d]&&f[d]===(0|f[d])&&a.extend(e,f);return c.keys[g]=a.extend({},e,c.keys[g]),c.keys[g]},destroy:function(){return this.$elem.find("."+this.config["type-zone-class"]).remove(),this.$elem.find("."+this.config["tag-class"]).remove(),this.$elem.data("tag-box",null),!0},emptyInput:function(){return this.focusInput(),this.valInput("")},focusInput:function(){return this.$type_zone.focus()},getDataOptions:function(){var a,b,c;c={};for(a in this.defaults)b=this.$elem.data(a),b&&(c[a]=b);return c},getSpecialKeys:function(){return a.extend({},this.keys.add,this.keys.remove)},getSpecialKeysD:function(){return this.keys},getTags:function(){var a,b,c;for(c=this.tags.length,a=[],b=0;c>b;b+=1)a.push(this.tags[b].pure_text);return a},getTagsObj:function(){return this.tags},init:function(){var b,d,e;return d=this,d.config=a.extend({},d.defaults,d.options,d.getDataOptions()),b=d.$elem.text(),d.$elem.empty(),d.$type_zone=a(c.createElement("input")).addClass(d.config["type-zone-class"]).attr("contenteditable",!0),d.$elem.addClass(d.config["tag-box-class"]).addClass(d.config["tag-box-editable-class"]).append(d.$type_zone),d.$type_zone.keydown(function(a){var b,c,e,f,g,h,i,j,k;if(g=d.getSpecialKeys(),h=d.config["forbidden-chars"],i=d.valInput(),f=a.key,i){for(e=h.length;e--;)if(c=i.indexOf(h[e]),c>=0)return a.preventDefault(),i=i.replace(h[e],""),d.focusInput(),d.valInput(i),j=d.config["forbidden-chars-callback"],k=d.config["forbidden-chars-text"],d.throwError(j,k,h[e]);for(b in d.keys.add)if(f===d.keys.add[b]&&!d.config["no-"+b])return a.preventDefault(),d.add()}else for(b in g)if(f===g[b]){if(d.keys.add[b])return a.preventDefault(),!0;if(d.keys.remove[b]&&!d.config["no-"+b])return a.preventDefault(),d.remove()}return!0}),d.config["tag-on-blur"]&&d.$type_zone.focusout(function(){return e=d.valInput(),e&&e.length?d.add():!1}),d.$elem.on("click",function(){d.focusInput()}),d.refresh(b),d},refresh:function(b){var c,d;return c=this,d=c.config["pre-tags-separator"],b=b||c.getTags().join(d),c.reset(),a.each(b.split(d),function(){c.add(this+"")}),!0},remove:function(b){var c,d,e;if(c=this,a.isArray(b))return a.each(b,function(){c.remove(this+"")});if("string"==typeof b&&(d=b,b=c.$elem.find("input[value="+d+"]").parent(),!b.length))return"Error -> Tag not found";if(b)for(e=c.tags.length;e--;)c.tags[e][0].innerHTML===b[0].innerHTML&&c.tags.splice(e,1);else b=c.tags.pop();return d=d||b.pure_text,b.remove(),c.config["edit-on-delete"]&&(c.emptyInput(),c.valInput(b.pure_text)),c.config["tags-limit"]>0&&c.$type_zone.not(":visible")&&c.tags.length<c.config["tags-limit"]&&(c.$elem.addClass(c.config["tag-box-editable-class"]),c.$type_zone.show()),c.$elem.trigger("remove:after",[d,c]),b},removeAll:function(){return this.reset()},removeSpecialKeys:function(b){var c,e,f,g,h;if(c=this,h=b[0],g=b[1],f={},a.isArray(g))return a.each(g,function(){c.removeSpecialKeys([h,this])});for(e in c.keys[h])c.keys[h].hasOwnProperty(e)&&c.keys[h][e]===g&&(c.keys[h][e]=d);return c.keys[h]},reset:function(){for(;this.tags.length;)this.remove(this.tags[this.tags.length]);return this.emptyInput(),this.tags},throwError:function(a,b,c){return a([b+" '"+c+"'."])},valInput:function(a){return null==a?this.$type_zone.val():this.$type_zone.val(a)}},a.fn.tagging=function(b,c){var d=[];return this.each(function(){var f,g,h;f=a(this),g=f.data("tag-box"),g?(h=g[b](c),h&&d.push(h)):(g=new e(this,b),f.data("tag-box",g),g.init(),d.push(g.$elem))}),"string"==typeof b?d.length>1?d:d[0]:d}}(window.jQuery,window,document);
\ No newline at end of file