See dupe in Webster's New World Roget's A-Z Thesaurus II
noun
A person who is easily deceived or victimized:
butt3, fool, gull, lamb, pushover, victim. (Informal) sucker. (Slang) fall guy, gudgeon, mark, monkey, patsy, pigeon, sap1. (Chiefly British) mug. See wiseA person used or controlled by others:
cat's-paw, instrument, pawn2, puppet, stooge, tool. See over
verb
To cause to accept what is false, especially by trickery or misrepresentation:
beguile, betray, bluff, cozen, deceive, delude, double-cross, fool, hoodwink, humbug, mislead, take in, trick. (Informal) bamboozle, have. (Slang) four-flush. Idioms: lead astray, play false, pull the wool over someone's eyes, put something over on, take for a ride. See honest
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