What is the collective noun for colleague?

There isn't a single, universally accepted collective noun for "colleague."

Here are some options, depending on the context:

Formal:

* A team of colleagues

* A group of colleagues

* A staff of colleagues

* A body of colleagues

Informal:

* A bunch of colleagues

* A crew of colleagues

* A gaggle of colleagues

You could also use a noun that describes the specific kind of work they do, like "a panel of experts" or "a board of directors."

Ultimately, the best choice depends on the specific situation and the desired tone.