/ Thesaurus / L Synonyms of libertarianism Find synonyms for: Noun1. libertarianism, political orientation, ideology, political theoryusage: an ideological belief in freedom of thought and speechWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language