credulousness

readiness to believe the claims of others without sufficient evidence her inveterate credulousness makes her an easy target for practical jokes Synonyms credulity, gullibility, naiveness, naïveté (also naivete or naiveté), simplenessRelated Words artlessness, simplicity, unsophistication, unwariness, unworldliness; belief, credibility, faith, trustNear Antonyms sophistication, worldliness; distrust, misdoubt, mistrust, suspicion, suspiciousness, wariness; doubt, uncertaintyAntonyms incredulity, skepticism