Source : Webster's Revised Unabridged Dictionary (1913)

Feasible \Fea"si*ble\a. [F. faisable, fr. faire to make or do,
   fr. L. facere. See {Fact}, {Feat}.]
   1. Capable of being done, executed, or effected; practicable.

            Always existing before their eyes as a thing
            feasible in practice.                 --Burke.

            It was not feasible to gratify so many ambitions.
                                                  --Beaconsfield.

   2. Fit to be used or tailed, as land. [R.] --R. Trumbull.
      {Fea"si*ble*ness}, n. --{Fea"si*bly}, adv.

Source : WordNet®

feasibleness
     n : the quality of being doable [syn: {feasibility}] [ant: {infeasibility}]