in commerce, is the consent that a person gives to the determination given either by arbitration, or by a consul.

ACQUIETANDIS plegii, in the English law, is a writ that lies for a surety, against a creditor, who refuses to acquit the complainant after the debt is paid.

ACQUIETANTIA de fibris et hundredis, in England, signifies the privilege of being free from suit and service in shires and hundreds.