Vivacity
VIVAC'ITY, noun [Latin vivacitas.]
1. Liveliness; sprightliness of temper or behavior; as a lady of great vivacity
2. Air of life and activity; as vivacity of countenance.
3. Life; animation; spirits; as the vivacity of a discourse.
4. Power of living. [Not used.]
5. Longevity. [Not in use.]