aware

Synonyms: acquainted alert alive appraised appreciative apprehensive apprised attentive au courant awake cognizant conscious cool enlightened familiar go-go groovy grounded heedful hip informed in the know in the picture into know-how knowing know the score know what’s what latched on mindful on the beam on to perceptive plugged in receptive savvy sensible sentient sharp tuned in up on wise wised up wise to with it

Antonyms: ignorant insensitive unaware unconscious