WordWeb Online

1. Heighten or intensify
   "These paintings invigorate the imagination";
   - inspire, animate, enliven, exalt
    
2. Give life or energy to
   "The cold water invigorated him";
   - quicken
    
3. Make lively
   - enliven, liven, liven up, animate
    
4. Impart vigour, strength, or vitality to
   "Exercise is invigorating";
   - reinvigorate

Derived forms: invigorates, invigorated, invigorating

Type of: arouse, brace, energise [Brit], energize, excite, perk up, shake, shake up, stimulate, stir

Encyclopedia: Invigorate