undeceive

to free from mistaken beliefs or foolish hopes promptly undeceived the young woman about the sincerity of the man's intentions Synonyms disabuse, disenchant, disillusionRelated Words sophisticate; advise, apprise, clue (in), fill in, wise (up); debunk, expose, refute, show up, uncloak, uncover, unmask; disclose, divulge, spill, tell, unveilNear Antonyms beguile, bluff, cozen, delude, dupe, fool, gull, hoax, hoodwink, kid, misguide, misinform, mislead, misrepresent, snow, take in, trick