/ Thesaurus / P Synonyms of partitionist Find synonyms for: Noun1. partitionist, advocate, advocator, proponent, exponentusage: an advocate of partitioning a countryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language