research society; study group
A group or organization formed to conduct research or study in a particular field, often academic or professional.
He belongs to a research society for Japanese literature.
study class; study meeting
A gathering for studying a specific subject, often with a teacher or leader, such as a religious study class or a small group lesson.
There is a Bible study class every Wednesday.
seminar; research presentation meeting
A meeting where research is presented and discussed, similar to an academic seminar or workshop.
I plan to present a new paper at the seminar next month.