Word Study
gullible
OXFORD DICTIONARY
gullible, adj. easily persuaded or deceived, credulous.
Derivative
gullibility n. gullibly adv.
Etymology
GULL(2) + -IBLE
THESAURUS
gullible
artless, befoolable, born yesterday, credulous, cullible, deceivable, deludable, dupable, easy, exploitable, foolable, green, hoaxable, hoodwinkable, humbugable, immature, inexperienced, ingenuous, innocent, naive, persuadable, seduceable, simple, soft, susceptible, unsophisticated, unsuspecting, unsuspicious, unwary, victimizable, wide-eyedROGET THESAURUS
gullible
Credulity
N credulity, credulousness, cullibility, gullibility, gross credulity, infatuation, self delusion, self deception, superstition, one's blind side, bigotry, hyperorthodoxy, misjudgment, credulous person, credulous, gullible, easily deceived, simple, green, soft, childish, silly, stupid, easily convinced, over-credulous, over confident, over trustful, infatuated, superstitious, confiding, the wish the father to the thought, credo quia impossibile, all is not gold that glitters, no es oro todo lo que reluce, omne ignotum pro magnifico.For further exploring for "gullible" in Webster Dictionary Online