Get-together and Join forces

Get-together noun - A coming together of a number of persons for a specified purpose.

Join forces and get-together are semantically related. In some cases you can use "Join forces" instead a verb phrase "Get-together".

Join forces verb - Work together on a common enterprise or project.

Get-together and join forces are semantically related. Sometimes you can replace phrase "Get-together" with "Join forces", this phrases are similar.