perceptive
per.cep.tive \p*r-'sep-tiv\ \(.)p*r-.sep-'tiv-*t-e-\ aj 1: responsive to sensory stimulus : DISCERNING 2a: capable of or exhibiting keen perception : OBSERVANT 2b: characterized by sympathetic understanding or insight - per.cep.tive.ly av
Webster's English Dictionaryper.cep.tive \p*r-'sep-tiv\ \(.)p*r-.sep-'tiv-*t-e-\ aj 1: responsive to sensory stimulus : DISCERNING 2a: capable of or exhibiting keen perception : OBSERVANT 2b: characterized by sympathetic understanding or insight - per.cep.tive.ly av