Noun
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"
ease ,
easiness ,
simplicity
difficultness ,
difficulty the quality of being difficult; "they agreed about the difficulty of the climb"
easy obtained with little effort or sacrifice, often obtained illegally; "easy money"
quality an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained" --Shakespeare
simpleness -
a lack of penetration or subtlety; "they took advantage of her simplicity"
simplicity ,
simple mindedness
naiveness ,
naivete ,
naivety lack of sophistication or worldliness
simpleness -
the quality of being simple or uncompounded; "the simplicity of a crystal"
simplicity
quality an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained" --Shakespeare
simpleness -
lack of ornamentation; "the room was simply decorated with great restraint"
chasteness ,
restraint ,
simplicity
plainness the appearance of being plain and unpretentious