/ Thesaurus / G Synonyms of gregorian calendar month Find synonyms for: Noun1. Gregorian calendar month, calendar month, monthusage: a month in the Gregorian calendarWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: leonine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language