Commutative \Com*mut"a*tive\, a. [CF. F. commutatif.]

Relative to exchange; interchangeable; reciprocal. -- Com*mut"a*tive"ly, adv.

Rich traders, from their success, are presumed . . . to have cultivated an habitual regard to commutative justice. --Burke.

Source: Webster's Revised Unabridged Dictionary (1913)