Source : Webster's Revised Unabridged Dictionary (1913)

Chasteness \Chaste"ness\, n.
   1. Chastity; purity.

   2. (Literature & Art) Freedom from all that is meretricious,
      gaudy, or affected; as, chasteness of design.

Source : WordNet®

chasteness
     n : lack of ornamentation; "the room was simply decorated with
         great restraint" [syn: {restraint}, {simplicity}]