General synonyms:
* Energize: This is a very close synonym, meaning to give energy or vitality.
* Rejuvenate: This implies restoring to a youthful state or renewed vigor.
* Stimulate: This focuses on the act of arousing or exciting.
* Vitalize: This emphasizes giving life or energy to something.
More specific options:
* Refresh: This implies restoring freshness or vitality.
* Animate: This suggests giving life or spirit to something.
* Enliven: This focuses on making something more lively or interesting.
* Brace: This implies giving strength or courage.
The best word for you will depend on the specific context of the situation.