Noun

• S: (n) fake, sham, postiche (something that is a counterfeit; not what it seems to be)
• S: (n) imposter, impostor, pretender, fake, faker, fraud, sham, shammer, pseudo, pseud, role player (a person who makes deceitful pretenses)
• S: (n) juke, fake ((football) a deceptive move made by a football player)

Verb

• S: (v) forge, fake, counterfeit (make a copy of with the intent to deceive) "he faked the signature"; "they counterfeited dollar bills"; "She forged a Green Card"
• S: (v) fudge, manipulate, fake, falsify, cook, wangle, misrepresent (tamper, with the purpose of deception) "Fudge the figures"; "cook the books"; "falsify the data"
• S: (v) talk through one's hat, bullshit, bull, fake (speak insincerely or without regard for facts or truths) "The politician was not well prepared for the debate and faked it"

Adjective

• S: (adj) bogus, fake, phony, phoney, bastard (fraudulent; having a misleading appearance)
• S: (adj) fake, false, faux, imitation, simulated (not genuine or real; being an imitation of the genuine article) "it isn't fake anything; it's real synthetic fur"; "faux pearls"; "false teeth"; "decorated with imitation palm leaves"; "a purse of simulated alligator hide"