| naturalness | (n) the quality of being natural or based on natural principles, Ant. unnaturalness, Example: he accepted the naturalness of death; the spontaneous naturalness of his manner |
| naturalness | (n) the likeness of a representation to the thing represented, Example: engineers strove to increase the naturalness of recorded music |
| Naturalness | n. The state or quality of being natural; conformity to nature. [ 1913 Webster ] |