1. 
   Cogently
   Co'gent·ly adverb In a cogent manner; forcibly; convincingly; conclusively. Locke.
   Found op http://www.encyclo.co.uk/webster/C/104
   
   
2. 
   Cogently
   • (adv.) In a cogent manner; forcibly; convincingly; conclusively.
   Found op http://thinkexist.com/dictionary/meaning/cogently/
   
   
3. 
   cogently
   cogently In a cogent manner or reasonable and convincing based on evidence.
   Found op http://www.wordinfo.info/words/index/info/view_unit/52/6
   
   

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