VIGOUR
vigour
Noun
- Active strength or force of body or mind; capacity for exertion, physically, intellectually, or morally; force; energy.
- Strength or force in animal or force in animal or vegetable nature or action.
- Strength; efficacy; potency.
The above text is a snippet from Wiktionary: vigour
and as such is available under the Creative Commons Attribution/Share-Alike License.