1. 
   rewardable
   [adj] - appropriate for receiving a reward
   Found op http://www.webdictionary.co.uk/definition.php?query=rewardable
   
   
2. 
   Rewardable
   Re·ward'a·ble adjective Worthy of reward. -- Re*ward'a*ble*ness , noun -- Re*ward'a*bly , adverb
   Found op http://www.encyclo.co.uk/webster/R/74
   
   
3. 
   rewardable
   adjective appropriate for receiving a reward
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=rewardable
   
   
4. 
   Rewardable
   • (a.) Worthy of reward.
   Found op http://thinkexist.com/dictionary/meaning/rewardable/
   
   
5. 
   rewardable
   1) Appropriate for receiving a reward 2) Rewarding
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/rewardable/1
   
   

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