1. 
   gradable
   [adj] - capable of being graded (for quality or rank or size etc.)
   Found op http://www.webdictionary.co.uk/definition.php?query=gradable
   
   
2. 
   gradable
   adjective capable of being graded (for quality or rank or size etc.)
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=gradable
   
   
3. 
   gradable
   1) Hierarchal 2) Hierarchic 3) Hierarchical
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/gradable/1
   
   

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