Meaning : (sometimes followed by `of') having or showing knowledge or understanding or realization or perception.
Example :
Was aware of his opponent's hostility.
Became aware of her surroundings.
Aware that he had exceeded the speed limit.
(often followed by `of') not aware.
Seemed unaware of the scrutiny.Cognizant ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Cognizant ka matlab kya hota hai?