vitality

The capacity to live, grow, or develop.

The characteristic, principle, or force that distinguishes living things from nonliving things.

Physical or intellectual vigor; energy or liveliness. synonym: vigor.

The capacity to endure.

I. The exhibiting of vital powers or capacities; the principle of animation or of life; vital force. See life.

Manifestation of a capacity for enduring and performing certain functions: as, an institution devoid of vitality.

The quality or state of being vital; the principle of life; vital force; animation.

The capacity to live and develop

Energy or vigour