| Treaty 1. (n.) The act of treating for the adjustment of differences, as for forming an agreement; negotiation. 2. (n.) An agreement so made; specifically, an agreement, league, or contract between two or more nations or sovereigns, formally signed by commissioners properly authorized, and solemnly ratified by the several sovereigns, or the supreme power of each state; an agreement between two or more independent states; as, a treaty of peace; a treaty of alliance. 3. (n.) A proposal tending to an agreement. 4. (n.) A treatise; a tract. Thesaurus Entries NATO, SEATO, accord, agreement, alliance, arrangement, bargain, capitulation, cartel, charter, compact, concord, concordat, contract, convention, covenant, deal, entente, entente cordiale, international agreement, league, mutual-defense treaty, nonaggression pact, pact, paction, reconciliation, settlement, understanding |