General synonyms:
* Rejoined: This emphasizes the physical act of coming together again.
* Reconciled: This implies a resolution of conflict or differences.
* Reassembled: This suggests the coming together of separate parts or members.
* Brought together: This is a simple and direct synonym.
* Joined again: Another straightforward alternative.
* Combined: This is more appropriate when talking about things rather than people.
More specific synonyms:
* Remarried: If the context is about a couple coming back together after a divorce.
* Restored: If the context is about a group or thing being brought back to its original state.
* United: This emphasizes the sense of being whole again.
* Integrated: This implies a sense of merging and becoming part of a larger whole.
The best synonym to use will depend on the specific context of the sentence and the nuance you want to convey.