reviver

intransitive verb, transitive verb revived, reviving

1. to come or bring back to life or consciousness; resuscitate
2. to come or bring back to a healthy, vigorous, or flourishing condition after a decline
3. to come or bring back into use or attention
4. to become or make valid, effective, or operative again
5. to come or bring to mind again
6. to produce (a play) or exhibit (an old film) again after an interval