Source : Webster's Revised Unabridged Dictionary (1913)

Solvability \Solv`a*bil"i*ty\, n. [F. solvabilit['e].]
   1. The quality or state of being solvable; as, the
      solvability of a difficulty; the solvability of a problem.

   2. The condition of being solvent; ability to pay all just
      debts; solvency; as, the solvability of a merchant.