/ Thesaurus / P Synonyms of proposer Find synonyms for: Noun1. suggester, proposer, originator, conceiver, mastermindusage: someone who advances a suggestion or proposal; "the suggester of this absurd strategy was a fool"2. proposer, mover, originator, conceiver, mastermindusage: (parliamentary procedure) someone who makes a formal motionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language