bamboozling, beguiling, bluffing, burning, catching, conning, cozening, deceiving, deluding, duping, faking out, fooling, gaffing, gammoning, gulling, having, having on(chiefly British), hoaxing, hoodwinking, hornswoggling, humbugging, juggling, misguiding, misinforming, misleading, snookering, snowing, spoofing, stringing along, suckering, sucking in, taking in, tricking

kidding, putting on, teasingbleeding, cheating, chiseling(or chiselling), defrauding, diddling, euchring, fleecing, flimflamming, gypping, hustling, mulcting, rooking, shortchanging, skinning, squeezing, sticking, stinging, swindling

doing a number on, leading one down the garden path(also leading one up the garden path), pulling one's leg, pulling the wool over one's eyes

undeceiving

debunking, exposing, revealing, showing up, uncloaking, uncovering, unmaskingdisclosing, divulging, telling, unveilingdisabusing, disenchanting, disillusioning

addling, baffling, bamboozling, beating, befogging, befuddling, bemusing, bewildering, confounding, confusing, discombobulating, disorienting, flummoxing, foxing, fuddling, getting, graveling(or gravelling), mazing, muddling, muddying, mystifying, perplexing, posing, puzzling, vexing

sticking, stumping, weirding outabashing, discomfiting, disconcerting, discountenancing, embarrassing, fazing, flustering, mortifying, nonplussing(also nonplusing), rattlingagitating, bothering, chagrining, discomforting, discomposing, dismaying, disquieting, distressing, disturbing, perturbing, stunning, unhinging, unsettling, upsettingbeguiling, cozening, deceiving, deluding, duping, fooling, gulling, hoaxing, hoodwinking, humbugging, misguiding, misleading, snowing, stringing along, taking in, tricking

blowing one's mind, going to one's head