/ Thesaurus / R Synonyms of root on Find synonyms for: Verb1. cheer, root on, inspire, urge, barrack, urge on, exhort, pep up, encourageusage: spur on or encourage especially by cheers and shouts; "The crowd cheered the demonstrating strikers"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language