/ Thesaurus / P Synonyms of pleasure principle Find synonyms for: Noun1. pleasure principle, pleasure-pain principle, pleasure-unpleasure principle, principleusage: (psychoanalysis) the governing principle of the id; the principle that an infant seeks gratification and fails to distinguish fantasy from realityWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: bibliophile Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language