Vitality

Noun

1. The capacity to live and develop.
2. Energy or vigour.

   "youthful vitality"

3. That which distinguishes living from nonliving things; life, animateness.
4. ↑ Jespersen, Otto (1909), A Modern English Grammar on Historical Principles (Sammlung germanischer Elementar- und Handbücher; 9)‎, volume I: Sounds and Spellings, London: George Allen & Unwin, published 1961, § 4.86, page 145.