Source : Webster's Revised Unabridged Dictionary (1913)

Sensibility \Sen`si*bil"i*ty\, n.; pl. {Sensibilities}. [Cf. F.
   sensibilit['e], LL. sensibilitas.]
   1. (Physiol.) The quality or state of being sensible, or
      capable of sensation; capacity to feel or perceive.

   2. The capacity of emotion or feeling, as distinguished from
      the intellect and the will; peculiar susceptibility of
      impression, pleasurable or painful; delicacy of feeling;
      quick emotion or sympathy; as, sensibility to pleasure or
      pain; sensibility to shame or praise; exquisite
      sensibility; -- often used in the plural. ``Sensibilities
      so fine!'' --Cowper.

            The true lawgiver ought to have a heart full of
            sensibility.                          --Burke.

            His sensibilities seem rather to have been those of
            patriotism than of wounded pride.     --Marshall.

   3. Experience of sensation; actual feeling.

            This adds greatly to my sensibility.  --Burke.

   4. That quality of an instrument which makes it indicate very
      slight changes of condition; delicacy; as, the sensibility
      of a balance, or of a thermometer.

Source : WordNet®

sensibility
     n 1: mental responsiveness and awareness [ant: {insensibility}]
     2: refined sensitivity to pleasurable or painful impressions;
        "cruelty offended his sensibility"
     3: (physiology) responsiveness to external stimuli;
        "sensitivity to pain" [syn: {sensitivity}, {sensitiveness}]