/ Thesaurus / C Synonyms of common ground Find synonyms for: Noun1. common ground, footing, basis, groundusage: a basis agreed to by all parties for reaching a mutual understandingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: foliage Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language