Commutative Definition

kŏmyə-tātĭv, kə-myo͝otə-tĭv

adjective

Of commutation; involving exchange or replacement.

Webster's New World

Of or pertaining to an operation in which the order of the elements does not affect the result, as, in addition, 3 + 2 = 2 + 3 and, in multiplication, 2 × 3 = 3 × 2

Webster's New World

(mathematics, of a diagram of morphisms) Such that any two sequences of morphisms with the same initial and final positions compose to the same morphism.

Wiktionary

Origin of Commutative

commuter +‎ -ative ("tending to substitute or switch"), from from French commuter (“to substitute or switch”) and the suffix -ative (“tending to”)

From Wiktionary