The antonym for congregate is disperse.
I like to congregate with my mom.
Congregate means to come together as a group.
the coach want us to congregate for the practice tomorrow
Students should get to class promptly and not congregate in the hallway.
Congregate means to create, spawn, or make something....
conform congregate conjunction connect consent construct contend convenient
To put into a group.
Another word for sitting together could be lounge or gather.
The teacher asked the students to congregate outside the door until the room was ready for them. The shoppers tended to congregate around the holiday tree.
congregate, convene
"congregate."