(n): an alert cognitive state in which you are aware of yourself and your situation
(n): refined sensitivity to pleasurable or painful impressions
(n): sensitivity to emotional feelings (of self and others)
(n): (physiology) responsiveness to external stimuli; the faculty of sensation
(n): the faculty through which the external world is apprehended
Madam, it is impossible for me to suspect a man of Mr. Snake’s sensibility and discernment.
Sheridan, School for Scandal