戻す

1. to put back
   彼は突然意識を取り戻した。He came to suddenly.

   彼は世の中を正気に戻した。He brought the world to its senses.
2. to return
3. to give back
4. to restore (to a previous state, e.g. defrosting, reconstituting)
5. to turn back (e.g. clock hand)

Conjugation