'Invigoration' definitions:

Definition of 'invigoration'

From: WordNet
noun
Quality of being active or spirited or alive and vigorous [syn: animation, spiritedness, invigoration, brio, vivification]
noun
The activity of giving vitality and vigour to something [syn: vivification, invigoration, animation]

Definition of 'Invigoration'

From: GCIDE
  • Invigoration \In*vig`or*a"tion\, n. The act of invigorating, or the state of being invigorated. [1913 Webster]