Breadcrumb Home > Dictionary > Index R reality principle: Meaning and Definition of Find definitions for: real'ity prin"ciple Pronunciation: [key] — Psychoanal. Psychoanal. the motivating force or mechanism by which the child, who has previously sought immediate gratification of all wishes, realizes that gratification must sometimes be deferred or forgone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reality check reality testing TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census 50 Spookiest Halloween Quotes Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: panoply Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language