verb
unite
yoo-NYTE/juˈnaɪt/
To join or come together as one or for a common purpose.
The two teams unite around their shared garden project.

Etymology
To “make into one” is to turn separate things into a combined whole. Applied to people, that joining can mean forming a union around a common purpose.
In context
bringing another debate to the chamber which is going to unite us all in commonality of purpose
More examples
- A common goal united the neighbors.
- They are uniting several small groups.
- The region had united behind the proposal.
Forms
unite · unites · united · uniting
unity noun — The state of being joined together.