- naturalness - the quality of being natural or based on natural principles; "he accepted the naturalness of death"; "the spontaneous naturalness of his manner"
--1 is a kind of quality
Antonyms: unnaturalness
--1 has particulars:unaffectedness; simplicity; sincerity, unassumingness; spontaneity, spontaneousness; ease, informality; unpretentiousness; naturalization, naturalisation - artlessness, innocence, ingenuousness, naturalness - the quality of innocent naivete
--2 is a kind of naivete, naivety, naiveness