Open English Wordnet
Nouns
(n)simplicity, simpleness, simple mindednessa lack of penetration or subtlety“they took advantage of her simplicity”
(n)ease, easiness, simplicity, simplenessfreedom 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”
(n)chasteness, restraint, simplicity, simplenesslack of ornamentation“the room was simply decorated with great restraint”