own condition or state of being; natural state or constitution.

innate or inherent disposition, nature, impulse, etc.

(psych.) an inborn tendency to behave in a way characteristic of a species; natural, unlearned, predictable response to stimuli; an instinct.

(rhet.) a refined feeling that becomes intense, delicate and appeals to the emotions in literature or art.

(rhet.) a figure of speech that restricts itself to the exposition of the natural characteristic of an object.