inwardness, internal reality.

The quality or condition of being inward or internal to something else (literal or figurative).

The quality or fact of being internal (in various senses); essential or inner nature; inwardness.

(a) The quality or state of being interior or inward. (b) Inner character or nature; an inner element.

The quality or fact of being internal, inwardness; the inner part, esp. of a person's being.

= interiority, n.

Inner or internal quality or state.