Source : Webster's Revised Unabridged Dictionary (1913)

Provable \Prov"a*ble\, a. [See {Prove}, and cf. {Probable}.]
   Capable of being proved; demonstrable. -- {Prov"a*ble*ness},
   n. -- {Prov"a*bly}, adv.

Source : WordNet®

provable
     adj : capable of being demonstrated or proved; "obvious lies"; "a
           demonstrable lack of concern for the general welfare";
           "practical truth provable to all men"- Walter Bagehot
           [syn: {demonstrable}]