1. 
   contractual
   [adj] - relating to or part of a binding legal agreement
   Found op http://www.webdictionary.co.uk/definition.php?query=contractual
   
   
2. 
   contractual
   adjective relating to or part of a binding legal agreement; `contractual obligations`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=contractual
   
   
3. 
   contractual
   1) Relating to or part of a binding legal agreement 2) Written agreement
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/contractual/1
   
   

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