What is the collective noun for magisters?

There isn't a commonly accepted collective noun specifically for magisters.

Here are some options you could use:

Formal:

* A convocation of magisters

* A faculty of magisters

* A body of magisters

Informal:

* A group of magisters

* A gathering of magisters

* A team of magisters

You can also use the noun "magister" itself as a collective noun, like "the magisters of the university."

Ultimately, the best choice will depend on the specific context and the desired tone.