naturalness

The state of being natural: as, naturalness of conduct.

Conformity to nature, truth, or reality; absence of artificiality, exaggeration, or affectation: as, the naturalness of a person’s conduct.

The state or quality of being natural; conformity to nature.

The state or quality of being natural.

Of a picture or recording, likeness to the original.

the quality of innocent naivete

the likeness of a representation to the thing represented

the quality of being natural or based on natural principles