naturalness

Noun

• the likeness of a representation to the thing represented
  • engineers strove to increase the naturalness of recorded music
    

• the quality of innocent naivete

• the quality of being natural or based on natural principles
  • he accepted the naturalness of death
    
  • the spontaneous naturalness of his manner
    

Related words

• Synonyms: 
  artlessness , innocence , ingenuousness