asinine, blunder, brainless, bumbling, callow, credulity, credulous, dilettante, dimwit, dunce, facile, fatuous, folly, foolish, gullible, idiocy, ignoramus, imbecile, impressionable, inane, inept, innumerate, moronic, naive, oblivious, obtuse, oversight, patsy, provincial, reductive, slipshod, sophomoric, sucker, unsuspecting, yokel