Open English Wordnet
Nouns
Verbs
(v)forge, fake, counterfeitmake a copy of with the intent to deceive“he faked the signature”, “they counterfeited dollar bills”, “She forged a Green Card”
Adjectives
(a)counterfeit, imitativenot genuine; imitating something superior“counterfeit emotion”, “counterfeit money”, “counterfeit works of art”, “a counterfeit prince”