Proposal: noun (plural proposals) 1. suggested idea or plan: a suggestion or intention, especially one put forward formally or officially 2. act of proposing: the act of making a suggestion or stating an intention 3. request to marry somebody: a request for somebody to enter into marriage 4. politics law draft law from EC: a draft law proposed by the European Commission to the Council of Ministers ---------------------------------------------------------------------------------------------------------------------------- Proposition: noun (plural propositions) 1. proposal: an idea, offer, or plan put forward for consideration or discussion 2. statement: a statement of opinion or judgment 3. offer of sexual intercourse: an invitation to have sexual intercourse 4. private agreement: a private deal or agreement 5. somebody or something to be faced: somebody or something to be dealt with (informal) The news that he would be there certainly made the party a more attractive proposition. 6. mathematics theorem: a statement or theorem to be demonstrated 7. philosophy meaning of declarative sentence: the meaning of a declarative sentence that expresses something that can be true or false Microsoft® Encarta® 2008. Gravity.