Source : Webster's Revised Unabridged Dictionary (1913)

Leviable \Lev"i*a*ble\ (l[e^]v"[i^]*[.a]*b'l), a. [From {Levy}
   to assess.]
   Fit to be levied; capable of being assessed and collected;
   as, sums leviable by course of law. --Bacon.