Breadcrumb Home > Thesaurus > R Synonyms of reinforce Find synonyms for: Verb 1. reinforce, reenforce, strengthen, beef up, fortify usage: make stronger; "he reinforced the concrete" 2. reinforce, reward, teach, learn, instruct usage: strengthen and support with rewards; "Let's reinforce good behavior" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of reinforce (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: plebeian Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language