Breadcrumb Home > Thesaurus > E Synonyms of equanimity Find synonyms for: Noun 1. composure, calm, calmness, equanimity, disposition, temperament usage: steadiness of mind under stress; "he accepted their problems with composure and she with equanimity" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of equanimity (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: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language