WordNet® is a large lexical database of English. Nouns, verbs, adjectives and adverbs are grouped into sets of cognitive synonyms (synsets), each expressing a distinct concept.
As the result returned from wordent is in human-readable format, this library helps using the result in your php projects by converting it to objects.
The library doesn't contain wordnet and its required to install it first.
Wordnet::create()->search('cat');