/ Thesaurus / T Synonyms of theoriser Find synonyms for: Noun1. theorist, theoretician, theorizer, theoriser, idealogue, intellectual, intellectusage: someone who theorizes (especially in science or art)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language