[syn: chasteness, restraint, simplicity, simpleness]
The Collaborative International Dictionary of English v.0.48:
Simpleness \Sim"ple*ness\, n.
   The quality or state of being simple; simplicity. --Shak.
   [1913 Webster]
WordNet (r) 3.0 (2006):
simpleness
    n 1: a lack of penetration or subtlety; "they took advantage of
         her simplicity" [syn: simplicity, simpleness, simple
         mindedness]
    2: the quality of being simple or uncompounded; "the simplicity
       of a crystal" [syn: simplicity, simpleness] [ant:
       complexity, complexness]
    3: freedom from difficulty or hardship or effort; "he rose
       through the ranks with apparent ease"; "they put it into
       containers for ease of transportation"; "the very easiness of
       the deed held her back" [syn: ease, easiness,
       simplicity, simpleness] [ant: difficultness,
       difficulty]
    4: lack of ornamentation; "the room was simply decorated with
       great restraint" [syn: chasteness, restraint,
       simplicity, simpleness]