1. 
   Directorial
   Di·rec·to'ri·al adjective [ Confer French directorial .] 1. Having the quality of a director, or authoritative guide; directive. 2. Pertaining to: director or directory; specifically, relating to the Directory of France under th...
   Found op http://www.encyclo.co.uk/webster/D/72
   
   
2. 
   Directorial
   • (a.) Pertaining to: director or directory; specifically, relating to the Directory of France under the first republic. See Directory, 3. • (a.) Having the quality of a director, or authoritative guide; directive.
   Found op http://thinkexist.com/dictionary/meaning/directorial/
   
   

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