treaty
(international law) A formal binding agreement concluded by subjects of international law, namely, states and international organizations; a convention, a pact.
(archaic) Discussions or negotiations in order to reach an agreement.
(archaic) An agreement or settlement reached following negotiations; a compact, a contract, a covenant.
(obsolete) The manner or process of treating someone or something; treatment; also, the manner in which someone or something acts or behaves; behaviour.
(obsolete) The addressing or consideration of a subject; discussion, treatment.
(obsolete) A formal, systematic discourse on some subject; a treatise.
(obsolete) An act of beseeeching or entreating; an entreaty, a plea, a request.
To get into (a specific situation) through a treaty.
To enter into a treaty.