imitation

[1]	copying , mimicking , mimicry , aping , parroting , emulating , emulation , impersonating , impersonation , impression
[2]	impersonation , parody , satirization , burlesque , caricature , mockery , travesty , (Colloq) take-off , (Brit) send-up
[3]	copy , fake , counterfeit , forgery
[4]	copy , caricature , impersonation , replica , replication , reproduction , simulation , facsimile , duplicate , duplication , simulacrum

adj.

[1]	fake , fake , false , synthetic , artificial , faux , simulated , simulated , sham , ersatz , mock , factitious , reproduction , man-made , (Colloq) phoney/(US) phony