Synonyms and related words :
accepting, apish, asinine, batty, befooled, beguiled, believing, besotted, brainless, buffoonish, childlike, cockeyed, confiding, crazy, daffy, daft, dazed, dependent, depending, dizzy, doting, dumb, dupable, easily taken in, easy of belief, fatuitous, fatuous, flaky, fond, fool, foolheaded, foolish, fuddled, futile, gaga, goofy, green, guileless, gulled, gullible, idiotic, imbecile, inane, inclined to believe, inept, inexperienced, infatuated, innocent, insane, kooky, loony, mad, maudlin, moronic, naive, nutty, overconfiding, overcredulous, overtrustful, overtrusting, reliant, relying, sappy, screwy, senseless, sentimental, silly, simple, stupid, superstitious, thoughtless, trustful, trusting, trusty, uncritical, undoubting, unquestioning, unskeptical, unsophisticated, unsuspecting, unsuspicious, unwary, wacky, wet, without suspicion, witless,