Commutative \Com*mut"a*tive\, a. [CF. F. commutatif.]
1. Relative to exchange; interchangeable; reciprocal. --
{Com*mut"a*tive"ly}, adv.
[1913 Webster]
Rich traders, from their success, are presumed . . .
to have cultivated an habitual regard to commutative
justice. --Burke.
[1913 Webster]
2. (Math.) having the property of {commutativity}.
[PJC]