/ Thesaurus / C Synonyms of call on Find synonyms for: Verb1. call on, turn, appeal, invokeusage: have recourse to or make an appeal or request for help or information to; "She called on her Representative to help her"; "She turned to her relatives for help"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language