vigor-n; 3 Senses

Sense Number 1: a state of robust health, well-being

Commentary: VIGOR[+state][+health][+robust]

Regular fertilizing will increase the vigor of most house plants.
Add vigor to dull, lifeless hair with this new herbal shampoo.
They discovered they did not have sufficient vigor to climb to the summit of the 14,00 foot mountain.

WordNet 3.0 Sense Numbers: 2

Sense Number 2: energetic, lively, forceful engagement in something

Commentary: VIGOR[+quality][+focus][+energetic]

The ranch hands ate their dinner with vigor.
They approached the new task with great vigor.
The vigor with which he told the story kept the audience's full attention on him.

WordNet 3.0 Sense Numbers: 1, 3

Sense Number 3: status of being legally valid

Commentary: VIGOR[+state][+legal][+valid]

The court will review the vigor of this executive decision.
The vigor of this law is grounded on centuries of precedent.

WordNet 0.0 Sense Numbers: 4