knowl·edge
ˈnäləj/
noun

     1. facts, information, and skills acquired by a person through experience or education; the theoretical or practical                       understanding of a subject.
       "a thirst for knowledge"

       synonyms: understanding, comprehension, grasp, command, mastery; 

 

     2. awareness or familiarity gained by experience of a fact or situation.
     "the program had been developed without his knowledge"

     synonyms: awareness, consciousness, realization, cognition, apprehension, perception, appreciation;