Credulous

1. (a.) Easily deceived; unsuspecting; apt to believe on slight evidence\.

2. (a.) Believed too readily.

Thesaurus Entries

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