simplicity

Short definition from Wiktionary

Noun

1. 1
   The state or quality of being simple: The quality or state of being unmixed or uncompounded
2. 2
   The state or quality of being simple: The quality or state of being not complex, or of consisting of few parts.
3. 3
   The state or quality of being simple: Lack of sharpness of mind; lack of ability to think using complex ideas; stupidity
4. 4
   The state or quality of being simple: Lack of artificial ornament, pretentious style, or luxury; plainness
5. 5
   The state or quality of being simple: Lack of subtlety or abstruseness; clarity
6. 6
   The state or quality of being simple: Lack of complication; efficiency.
7. 7
   An act or instance of foolishness.