come together
1. to touch together; to meet. The ends of the boards just came together. They were almost too short. We came together in the park, just as we had agreed.
2. to attend something together; to arrive at an event together. Alice and I are going to come together. We will come to the party together.
come together (on something)
to discuss and agree on something. I hope we can come together on a price. I'm sure we can come together.