plugins/solr/home/solrdefault/conf/_schema_analysis_synonyms_english.json

{
  "initArgs":{
    "ignoreCase":true,
    "format":"solr"
  },
  "managedMap":{
    "GB":["GiB","Gigabyte"],
    "happy":["glad","joyful"],
    "TV":["Television"]
  }
}