/ Thesaurus / P Synonyms of prove oneself Find synonyms for: Verb1. prove oneself, prove, demonstrate, establish, show, shewusage: show one's ability or courageWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language