noun (n)

• an ability to understand the meaning or importance of something (or the knowledge acquired as a result)(noun.cognition)

  Example:
  How you can do that is beyond my comprehension.
  He was famous for his comprehension of American literature.
  

  Antonym:
  incomprehension
  

  source: wordnet30
• the relation of comprising something(noun.linkdef)

  Synonym:
  inclusion
  

  source: wordnet30
• The act of comprehending, containing, or comprising; inclusion.(noun)

  source: webster1913