Webster’s Revised Unabridged Dictionary · 1913
Mutability
Mu′ta·bil′i·ty (mū′tȧ·bĭl′ĭ·ty̆), n. [L. mutabilitas: cf. F. mutabilité.] The quality of being mutable, or subject to change or alteration, either in form, state, or essential character; susceptibility of change; changeableness; inconstancy; variation.
Plato confessed that the heavens and the frame of the world are corporeal, and therefore subject to mutability. Stillingfleet.