Meaning

noun mental responsiveness and awareness

noun refined sensitivity to pleasurable or painful impressions

noun (physiology) responsiveness to external stimuli; the faculty of sensation

originFrom Late Middle English sensibilite (“physical ability to sense or perceive; sensitivity to pain; type of perception by a sense organ; perception, understanding; image imprinted on the mind during perception; (philosophy) capacity of the soul to receive information from the senses, perceptibility; (in the plural) the senses”), from Middle French sensibilité and Old French sensibilité…

Etymology from Wiktionary, CC BY-SA 3.0