Breadcrumb Home > Thesaurus > P Synonyms of plausible Find synonyms for: Adjective 1. plausible (vs. implausible), arguable, glib, pat, slick, credible#1, believable usage: apparently reasonable and valid, and truthful; "a plausible excuse" 2. plausible, insincere (vs. sincere) usage: given to or characterized by presenting specious arguments; "a plausible liar" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of plausible (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: picaresque Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language