sham

[1]	simulate , assume , feign
[2]	feign , pretend , affect , dissemble

[1]	fake , fake , fraud , postiche , counterfeit , imitation , hoax , humbug , pretence , forgery , copy , imposture , (Colloq) phoney/(US) phony
[2]	imposter , impostor , pretender , fake , faker , fraud , shammer , pseudo , pseud , role player

adj.

[1]	fake , fraudulent , counterfeit , imitation , paste , simulated , false , make-believe , fictitious , made-up , bogus , spurious , mock , ersatz , artificial , synthetic , (Colloq) phoney/(US) phony , pseudo
[2]	assumed , false , fictitious , fictive , pretended , put on