creating synonym mapping with wordnet dictionary

PUT /allvideos
{
  "settings": {
    "analysis":{
    "analyzer":{
        "synonyms":{
            "filter":[
                "lowercase",
                "synonym_filter"
            ],
        "tokenizer": "standard"
    }
},
"filter": {
 "synonym_filter": {
 "type": "synonym",
 "format" : "wordnet",
 "synonyms_path" : "analysis/wn_s.pl"

 }
 }
  }
}
}