dupe

something that is made to look exactly like something else he built a dupe of the original model, which is locked in a vault Synonyms carbon, carbon copy, clone, dummy, dupe, duplicate, duplication, facsimile, imitation, mock, reduplication, replica, replication, reproductionRelated Words counterfeit, fake, forgery, knockoff, phony (also phoney), rip-off, rubber stamp, sham; miniature, mock-up, simulation; reconstruction, re-creation; image, likeness, semblance, shadow; impression, imprint, print; approximation, reincarnation, version; extra, reserve, spareAntonyms archetype, original, prototype

to cause to believe what is untrue we were duped into thinking the dummy was a real alien Synonyms bamboozle, beguile, bluff, buffalo, burn, catch, con, cozen, delude, deceive, fake out, fool, gaff, gammon, gull, have, have on [chiefly British], hoax, hoodwink, hornswoggle, humbug, juggle, misguide, misinform, mislead, snooker, snow, spoof, string along, sucker, suck in, take in, trickRelated Words kid, put on, tease; bleed, cheat, chisel, defraud, diddle, euchre, flam, fleece, gyp, hustle, mulct, rook, shortchange, skin, squeeze, stick, sting, swindleNear Antonyms debunk, expose, reveal, show up, uncloak, uncover, unmask; disclose, divulge, tell, unveil; disabuse, disenchant, disillusionAntonyms undeceive