determinable
    adj 1: capable of being determined or limited or fixed;
           "determinable velocities"; "matters determinable by law"
           [ant: indeterminable, undeterminable]

Determinable \De*ter"mi*na*ble\, a. [L. determinabilis finite.
   See Determine, v. t.]
   Capable of being determined, definitely ascertained, decided
   upon, or brought to a conclusion.
   [1913 Webster]

         Not wholly determinable from the grammatical use of the
         words.                                   --South.
   [1913 Webster]

DETERMINABLE. What may come to an end, by the happening of a contingency; as 
a determinable fee. See 2 Bouv. Inst. n. 1695.