/ Thesaurus / C Synonyms of credulousness Find synonyms for: Noun1. credulousness, gullibility, naivete, naivety, naivenessusage: tendency to believe too readily and therefore to be easily deceivedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language