Source : Webster's Revised Unabridged Dictionary (1913)

Adaptable \A*dapt"a*ble\, a.
   Capable of being adapted.

Source : WordNet®

adaptable
     adj : capable of adapting (of becoming or being made suitable) to
           a particular situation or use; "to succeed one must be
           adaptable"; "the frame was adaptable to cloth bolts of
           different widths" [ant: {unadaptable}]