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n.
an ability to understand the meaning or importance of something (or the knowledge acquired as a result); "how you can do that is beyond my comprehension"; "he was famous for his comprehension of American literature"
n.
a vague idea in which some confidence is placed; "his impression of her was favorable"; "what are your feelings about the crisis?"; "it strengthened my belief in his sincerity"; "I had a feeling that she was lying"
n.
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"
n.
coming to understand something clearly and distinctly; "a growing realization of the risk involved"; "a sudden recognition of the problem he faced"; "increasing recognition that diabetes frequently coexists with other chronic diseases"