invigoration

from WordNet (r) 3.0 (2006)

invigoration
    n 1: quality of being active or spirited or alive and vigorous
         [syn: {animation}, {spiritedness}, {invigoration}, {brio},
         {vivification}]
    2: the activity of giving vitality and vigour to something [syn:
       {vivification}, {invigoration}, {animation}]

from The Collaborative International Dictionary of English v.0.48

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