Source : Webster's Revised Unabridged Dictionary (1913)

Marketable \Mar"ket*a*ble\, a.
   1. Fit to be offered for sale in a market; such as may be
      justly and lawfully sold; as, dacaye? provisions are not
      marketable.

   2. Current in market; as, marketable value.

   3. Wanted by purchasers; salable; as, furs are not marketable
      in that country.

Source : WordNet®

marketable
     adj 1: in demand by especially employers; "marketable skills" [syn:
             {in demand(p)}]
     2: fit to be offered for sale; "marketable produce" [syn: {merchantable},
         {sellable}, {vendable}, {vendible}]
     3: capable of being marketed; "the marketable surplus"