apish, asinine, at fever pitch, batty, becharmed, befooled, beguiled, besotted, bewitched, brainless, buffoonish, captivated, charmed, cockeyed, crazy, credulous, daffy, daft, dazed, delirious, dizzy, doting, dotty, dumb, easily taken in, easy of belief, enamored, enchanted, enraptured, enthused, enthusiastic, enthusiastic about, fanatical, fascinated, fatuitous, fatuous, febrile, feverish, fixated, flaky, fond, fool, foolheaded, foolish, frantic, frenetic, frenzied, fuddled, full of enthusiasm, furious, futile, gaga, glowing, goofy, gripped, gulled, gung-ho, heartsmitten, hectic, held, hung-up, hypnotized, hysteric, idiotic, imbecile, inane, inclined to believe, inept, infatuate, infatuated with, insane, keen on, kooky, loony, mad, maudlin, mesmerized, monomaniac, monomaniacal, moronic, nutty, obsessed, overanxious, overconfiding, overcredulous, overdesirous, overeager, overenthusiastic, overtrustful, overtrusting, overzealous, perfervid, possessed, preoccupied, prepossessed, sappy, screwy, senseless, sentimental, silly, smitten, spellbound, stupid, superstitious, taken with, thoughtless, trustful, trusting, ultrazealous, uncritical, undoubting, unskeptical, unsuspecting, unsuspicious, wacky, wet, wild, witless