Reunite
(verb)
Bring (people or things) together again after separation.
Origin:
Early 17th century: from re- "again" + unite, on the pattern of french réunir.
Examples:
- The organization works to reunite families separated by war.
- The couple decided to reunite after a year apart.
- The organization was able to reunite the lost dog with its owner.
- The band decided to reunite for a special concert.
- The lost siblings were finally reunited after many years.