/ Thesaurus / G Synonyms of gregorian mode Find synonyms for: Noun1. ecclesiastical mode, Gregorian mode, church mode, medieval mode, mode, musical modeusage: any of a system of modes used in Gregorian chants up until 1600; derived historically from the Greek modeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fortuitous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language