simplicity, simpleness -- (the quality of being simple or uncompounded; "the simplicity of a crystal")
simplicity, simpleness, simple mindedness -- (a lack of penetration or subtlety; "they took advantage of her simplicity")
simplicity, simmpleness -- (absence of affectation or pretense)
ease, easiness, simplicity, simpleness -- (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")
chasteness, restraint, simplicity, simpleness -- (lack of ornamentation; "the room was simply decorated with great restraint")