/ Dictionary / Index P proposition: Meaning and Definition of Find definitions for: prop•o•si•tion Pronunciation: (prop"u-zish'un), [key] — n. the act of offering or suggesting something to be considered, accepted, adopted, or done. a plan or scheme proposed. an offer of terms for a transaction, as in business. a thing, matter, or person considered as something to be dealt with or encountered: Keeping diplomatic channels open is a serious proposition. anything stated or affirmed for discussion or illustration. a statement of the subject of an argument or a discourse, or of the course of action or essential idea to be advocated. a statement in which something is affirmed or denied, so that it can therefore be significantly characterized as either true or false. a formal statement of either a truth to be demonstrated or an operation to be performed; a theorem or a problem. a proposal of usually illicit sexual relations. —v.t. to propose sexual relations to. to propose a plan, deal, etc., to. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: proposition (Thesaurus) propose propositional calculus Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language