mid-14c., proposicioun, "a riddle" (a sense now obsolete); late 14c., in rhetoric, "a setting forth as a topic for discussion or discourse," from Old French proposicion "proposal, submission, (philosophical) proposition" (12c.), from Latin propositionem (nominative propositio) "a setting forth, statement, a presentation, representation; fundamental assumption," noun of action from past-participle stem of proponere "put forth, set forth, lay out, display, expose to view" (see propound). Meaning "action of proposing something to be done, an offered plan of action," is from late 14c. General sense of "matter, problem, undertaking" recorded by 1877. Related: Propositional; propositionally.