imposture Meaning, Definition & Usage

  1. noun pretending to be another person
    impersonation.

WordNet

Im*pos"ture noun
Etymology
L. impostura: cf. F. imposture. See Impone.
Definitions
  1. The act or conduct of an impostor; deception practiced under a false or assumed character; fraud or imposition; cheating.
    From new legends And fill the world with follies and impostures. Johnson.
    Syn. -- Cheat; fraud; trick; imposition; delusion.

Webster 1913