Dupe, v. t. [imp. & p. p.Duped (dūpt); p. pr. & vb. n.Duping.] [Cf. F. duper, fr. dupe. See Dupe, n.] To deceive; to trick; to mislead by imposing on one's credulity; to gull; as, dupe one by flattery.
Ne'er have I duped him with base counterfeits. Coleridge.