changeful
1. [ adjective ] such that alteration is possible; having a marked tendency to change
Synonyms: changeable
Examples:

"changeable behavior" "changeable moods" "changeable prices"

Related terms: unchangeable erratic distortable fluid jittering astatic open-ended adjustable reversible quick-change checkered volatile open-ended kaleidoscopic fluid mobile exchangeable inconstant changeableness
Similar spelling:   chanceful
  changeable
  change_over
  change-up
  changeover
  change_form
  chance_upon