Breadcrumb Home > Thesaurus > E Synonyms of expansionism Find synonyms for: Noun 1. expansionism, doctrine, philosophy, philosophical system, school of thought, ism usage: the doctrine of expanding the territory or the economic influence of a country WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of expansionism (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: prescient Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language