Source : Webster's Revised Unabridged Dictionary (1913)

Rectifiable \Rec"ti*fi`a*ble\ (r?k"t?*f?`?*b'l), a.
   1. Capable of being rectified; as, a rectifiable mistake.

Source : WordNet®

rectifiable
     adj : capable of being repaired or rectified; "reparable damage to
           the car"; "rectifiable wrongs" [syn: {reparable}] [ant:
            {irreparable}]