proposition

1 an idea that is the starting point for making a case or conducting an investigation started the discussion with the simple proposition that no one ever does anything out of pure altruism Synonyms hypothesis, theory, supposition, thesisRelated Words assumption, concession, premise (also premiss), presumption, presupposition, theorem; conjecture, generalization, guess, guesswork, inference, speculation, surmise; proffer, proposal, suggestion; feeling, hunch, impression, inkling, notion, suspicion; abstraction, concept, conception, constructNear Antonyms assurance, certainty, fact, knowledge

2 something which is presented for consideration a neighbor with a business proposition to tell us about Synonyms offer, proffer, proposal, suggestionRelated Words counteroffer, counterproposal, countersuggestion; feeler, overture; motion; advancement, nomination, recommendation; bid, presentation, submission, submittal, tender; arrangement, game, ground plan, layout, line, plan, plot, project, strategy, system; conception, idea, notion, theory, thought