1. 
   practicability
   [n] - the quality of being usable
   Found op http://www.webdictionary.co.uk/definition.php?query=practicability
   
   
2. 
   Practicability
   Prac'ti·ca·bil'i·ty noun The quality or state of being practicable; practicableness; feasibility. 'The practicability of such a project.' Stewart.
   Found op http://www.encyclo.co.uk/webster/P/140
   
   
3. 
   practicability
   practicableness noun the quality of being usable
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=practicability
   
   
4. 
   Practicability
   • (n.) The quality or state of being practicable; practicableness; feasibility.
   Found op http://thinkexist.com/dictionary/meaning/practicability/
   
   
5. 
   practicability
   1) Practicableness 2) The quality of being usable 3) Usefulness 4) Utility
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/practicability/1
   
   

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