Liveliness

n.
  1. The quality or state of being lively or animated; sprightliness; vivacity; animation; spirit; as, the liveliness of youth, contrasted with the gravity of age.
  2. An appearance of life, animation, or spirit; as, the liveliness of the eye or the countenance in a portrait.
  3. Briskness; activity; effervescence, as of liquors.