sensitive to

attentive aware certain cognizant informed keen mindful responsive sensible sure vigilant watchful

able to recognize acquainted aesthetic alive to apperceptive apprised assured au courant conversant discerning hep to in on in right mind knowing noticing noting observing on to perceiving percipient recognizing remarking seeing sentient supraliminal understanding wise to with it witting

careless heedless ignorant inattentive unaware uncertain unconfident uninformed unsure

indifferent unconscious unintentional unresponsive unstudied

able to recognize alert apperceptive attentive awake aware cognizant feeling in on in the right mind informed knowing noticing observing perceiving receptive recognizing responsive seeing understanding watchful