Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

gullibility; gross credulity, infatuation; self delusion, self deception; superstition; one's blind side; bigotry &c (obstinacy) 606; hyperorthodoxy &c 984 [Obs.]; misjudgment &c 481. credulous person &c (dupe) 547. V. be credulous &c adj.; jurare in verba magistri [Lat.]; follow implicitly; swallow, gulp down; take on trust; take for granted, take for gospel; run away with a notion, run away with an idea; jump to a conclusion, rush to a conclusion; think the moon is made of green cheese; take for granted, grasp the shadow for the substance; catch at straws, grasp at straws. impose upon &c (deceive) 545. Adj. credulous, gullible; easily deceived &c 545; simple, green, soft, childish, silly, stupid; easily convinced; over-credulous, over confident, over trustful; infatuated, superstitious; confiding &c (believing) 484. Phr. the wish the father to the thought; credo quia impossibile [Lat.] [Tertullian]; all is not gold that glitters; no es oro todo lo que reluce [Sp.]; omne ignotum pro magnifico [Lat.].