get together
noun.
a small informal social gathering
there was an informal meeting in my living room
Synonym: meeting
verb.
get people together
assemble your colleagues|get together all those who are interested in the project|gather the close family members
Synonym: assemble, gather
verb.
get together socially or for a specific purpose
Synonym: meet
verb.
work together on a common enterprise of project
The soprano and the pianist did not get together very well|We joined forces with another research group
verb.
become part of; become a member of a group or organization
He joined the Communist Party as a young man
Synonym: fall in, join