/ Thesaurus / M Synonyms of mesolithic age Find synonyms for: Noun1. Mesolithic Age, Mesolithic, Epipaleolithicusage: middle part of the Stone Age beginning about 15,000 years agoWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language