/ Thesaurus / W Synonyms of william mitchell Find synonyms for: Noun1. Mitchell, William Mitchell, Billy Mitchellusage: United States aviator and general who was an early advocate of military air power (1879-1936)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language