1. lack of ornamentation

e.g. the room was simply decorated with great restraint

Synonym: chastenessrestraintsimplicity

2. freedom from difficulty or hardship or effort

e.g. 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

Synonym: easeeasinesssimplicity

3. the quality of being simple or uncompounded

e.g. the simplicity of a crystal

Synonym: simplicity

4. a lack of penetration or subtlety

e.g. they took advantage of her simplicity

Synonym: simplicitysimple mindedness