changeable

adj

1.
capable of or tending to change in form or quality or nature
wharvely mutable
Derived from:
changeability changeableness
2.
such that alteration is possible; having a marked tendency to change
tidegang changeful
Antonym:
unchangeable
Derived from:
changeableness
3.
4.
varying in color when seen in different lights or from different angles
chatoyant iridescent shot
Derived from:
changeableness