[1] : The Collaborative International Dictionary of English v.0.48

solvable \solv"able\, a. f. solvable. see solve, and cf.
   soluble, solvible.
   1. susceptible of being solved, resolved, or explained;
      admitting of solution.
      1913 webster

   2. capable of being paid and discharged; as, solvable
      obligations. --tooke.
      1913 webster

   3. able to pay one's debts; solvent. obs. --fuller.
      1913 webster
see also:
solve soluble solvible 

[2] : WordNet (r) 2.0

solvable
     adj : possible to solve; "such problems are perfectly solvable"
           syn: resolvable
see also:
resolvable 

Solvable >> S Words
Solvable, definition of term: Solvable
solvable_pag1.html