definition of
[naturalness]

[1] #1 naturalness n. the quality of being natural or based on natural principles; "he accepted the naturalness of death"; "the spontaneous naturalness of his manner". wn

[2] #2 naturalness n. [artlessness, innocence, ingenuousness] the quality of innocent naivete. wn

[3] #3 naturalness n. the likeness of a representation to the thing represented; "engineers strove to increase the naturalness of recorded music". wn