/ Thesaurus / T Synonyms of theoretically Find synonyms for: Adverb1. theoreticallyusage: in theory; according to the assumed facts; "on paper the candidate seems promising"2. theoreticallyusage: in a theoretical manner; "he worked the problem out theoretically"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language