nouns
the quality of being simple or uncompounded
"the simplicity of a crystal"
a lack of penetration or subtlety
"they took advantage of her simplicity"
absence of affectation or pretense
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"
lack of ornamentation
"the room was simply decorated with great restraint"