Breadcrumb Home > Thesaurus > I Cite Synonyms of ism Find synonyms for: Noun1. doctrine, philosophy, philosophical system, school of thought, ism, beliefusage: a belief (or system of beliefs) accepted as authoritative by some group or schoolWordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.Definition and meaning of ism (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: puerile Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language