sessions — the sitting together of a court, council, legislature, or the like, for conference or the transaction of business: Congress is now in session.
colloquia — a conference at which scholars or other experts present papers on, analyze, and discuss a specific topic.
fora — a website or section of a website that is used for public discussion of a specific topic and on which users can submit or read messages: You should post your questions on a parenting message board and get support from other parents.
gabfests — a gathering at which there is a great deal of conversation.
leagues — a unit of distance, varying at different periods and in different countries, in English-speaking countries usually estimated roughly at 3 miles (4.8 kilometers).