/ Thesaurus / P Synonyms of positive reinforcer Find synonyms for: Noun1. positive reinforcing stimulus, positive reinforcer, reinforcing stimulus, reinforcer, reinforcementusage: a reinforcing stimulus that serves to increase the likelihood of the response that produces itWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language