/ Thesaurus / C Synonyms of capital of montana Find synonyms for: Noun1. Helena, capital of Montanausage: capital of the state of Montana; located in western MontanaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language