cognate
— Adjective
– English
~ related in nature; "connate qualities"
cognisable
— Adjective
– English
~ capable of being known
cognisant
— Adjective
– English
~ (sometimes followed by `of') having or showing knowledge or understanding or realization or perception; "was aware of his opponent's hostility"; "became aware of her surroundings"; "aware that he had exceeded the speed limit"
cognitive
— Adjective
– English
~ of or being or relating to or involving cognition; "cognitive psychology"; "cognitive style"