The Oxford Thesaurus An A-Z Dictionary of Synonyms - bluff°v.

1) deceive, hoodwink, dupe, mislead, delude, trick, cozen, fool, Colloq bamboozle: I bluffed him into believing that I held four aces. 2) pretend, feign, bluster, fool, Colloq kid; Slang bullshit: She became frightened, unaware that I was only bluffing. --n. 3) bombast, bravado, boasting, bragging, bluster, show, puffery; deception, blind; Literary rodomontade, gasconade; Colloq hot air: Roger's ranting is all bluff - he's really very timid.