cognizance in WordNet English dictionary

1. having knowledge of
   "he had no awareness of his mistakes"; "his sudden consciousness of the problem he faced"; "their intelligence and general knowingness was impressive"
   awareness  consciousness  cognizance  cognisance  knowingness 
   
2. range of what one can know or understand
   "beyond my ken"
   cognizance  ken 
   
3. range or scope of what is perceived
   cognizance