practicability

from WordNet (r) 3.0 (2006)

practicability
    n 1: the quality of being usable [syn: {practicability},
         {practicableness}] [ant: {impracticability},
         {impracticableness}]

from The Collaborative International Dictionary of English v.0.48

Practicability \Prac"ti*ca*bil"i*ty\, n.
   The quality or state of being practicable; practicableness;
   feasibility. "The practicability of such a project."
   --Stewart.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

33 Moby Thesaurus words for "practicability":
      achievability, actability, applicability, attainability,
      availability, compassability, effectiveness, efficacy, efficiency,
      feasibility, functionality, helpfulness, manageability,
      maneuverability, manipulatability, negotiability, operability,
      performability, practical utility, practicality, profitability,
      realizability, serviceability, superability, surmountability,
      usability, use, usefulness, utility, utilizability, viability,
      viableness, workability