ChevisanceChev"i*sance\, n. [Of. chevisance, chevissance, fr. chevircome to an end, perform, fr. chef head, end, from L. caput head. See Chieve, Chief.]1. Achievement; deed; performance. [Obs.] Fortune, the foe of famous chevisance. --Spenser. 2. A bargain; profit; gain. [Obs.] --Piers Plowman. 3. (O. Eng. Law) (a) A making of contracts. (b) A bargain or contract; an agreement about a matter in dispute, such as a debt; a business compact. (c) An unlawful agreement or contract.