What is a synonym for symposium?

Here are some synonyms for symposium, depending on the context:

Formal:

* Conference

* Congress

* Forum

* Seminar

* Workshop

* Convocation

* Colloquium

Informal:

* Meeting

* Gathering

* Discussion

* Debate

* Roundtable

The best synonym will depend on the specific type of symposium you are referring to.

For example, a symposium on scientific research would be best described as a conference, while a gathering of experts to discuss a specific topic could be called a roundtable.