/ Thesaurus / B Synonyms of believable Find synonyms for: Adjective1. credible (vs. incredible), believable, likely, presumptive, plausible, thinkableusage: capable of being believed; "completely credible testimony"; "credible information"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language