alive to

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

able to recognize acquainted aesthetic 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 sensitive to sentient supraliminal understanding wise to with it witting

careless heedless ignorant inattentive unaware uncertain unconfident uninformed unsure

indifferent unconscious unintentional unresponsive unstudied

apprehensive careful cautious cognizant conscious conversant knowledgeable observant respectful solicitous vigilant wary watchful

alert au courant be up on cagey chary conscientious heedful in the know know all the answers know ins and outs knowing observative observing on one's toes on the ball on the job on to plugged in regardful sensible thoughtful tuned-in with eyes peeled

careless heedless ignorant inattentive incautious indifferent indiscreet negligent quiet rash thoughtless unafraid unaware uncareful uninformed unmindful unobservant unworried

absent-minded