Coun·ter·feit, v. t. [imp. & p. p. Counterfeited; p. pr. & vb. n. Counterfeiting.]
  1. To imitate, or put on a semblance of; to mimic; as, to counterfeit the voice of another person.
  Full well they laughed with counterfeited glee
  At all his jokes, for many a joke had he.   --Goldsmith.
  2. To imitate with a view to deceiving, by passing the copy for that which is original or genuine; to forge; as, to counterfeit the signature of another, coins, notes, etc.