treaty

A formal written agreement between two or more nations.

The document in which such an agreement is set down.

Negotiation for the purpose of reaching an agreement.

A contract or agreement.

An entreaty.

A discourse; account; document; treatise.

The act of treating or handling; conduct; management; treatment; negotiation; discussion; diplomacy.

An agreement; a compact; specifically, a league or contract between two or more nations or sovereigns, in modern usage formally signed by commissioners properly authorized, and solemnly ratified by the several sovereigns or the supreme power of each state.