Breadcrumb Home > Thesaurus > A Synonyms of asseveration Find synonyms for: Noun 1. assertion, averment, asseveration, declaration usage: a declaration that is made emphatically (as if no supporting evidence were necessary) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of asseveration (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: pecuniary Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language