cognizance

nouns

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"
is derived from
antonym
is derived from
range of what one can know or understand
"beyond my ken"
range or scope of what is perceived
is a type of (narrower)
knowledge gained by perceiving
"a man admired for the depth of his perception"