Definitions for "Changeable"
Capable of change; subject to alteration; mutable; variable; fickle; inconstant; as, a changeable humor.
capable of or tending to change in form or quality or nature; "a mutable substance"; "the mutable ways of fortune"; "mutable weather patterns"; "a mutable foreign policy"
such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices"
Appearing different, as in color, in different lights, or under different circumstances; as, changeable silk.
varying in color when seen in different lights or from different angles; "changeable taffeta"; "chatoyant (or shot) silk"; "a dragonfly hovered, vibrating and iridescent"
The verb "change" keeps its [e] here to indicate that the [g] is soft, not hard. (That is also why "judgement" is the correct spelling of this word, no matter what anyone says.)