an agreement between states for regulation of matters affecting all of them, in international law, a formal written agreement elaborated usually according to classical diplomatic procedures between two (bilateral) or more (multilateral) States, probably still subject to ratifi, sobimus, kokkulepe, eriti rahvusvaheline leping poliitiliste, majanduslike vm suhete korraldamiseks, leping, mille osalisteks on üldjuhul suur hulk riike