rejuvenate
To make someone or something feel young and full of energy again.
Rejuvenate means to make something feel young, fresh, or full of energy again. When you rejuvenate something, you restore its vitality and vigor.
People often talk about feeling rejuvenated after a good night's sleep or a fun vacation. Athletes rejuvenate their tired muscles by resting between games. A gardener might rejuvenate worn-out soil by adding compost and nutrients, bringing it back to life so plants can grow strong again.
The word applies to things beyond just people. A city might rejuvenate an old neighborhood by fixing up buildings and planting trees. A company could rejuvenate an aging product by updating its design. Even a friendship can be rejuvenated when old friends reconnect after time apart.
Notice that rejuvenation involves actively restoring energy and freshness, usually through deliberate effort or change. When you feel completely exhausted after a long week of school and activities, a relaxing weekend might rejuvenate you, leaving you ready to tackle Monday with renewed enthusiasm. The related noun is rejuvenation, the process of becoming rejuvenated.