A plenary session or plenum is a session of a conference which all members of all parties are to attend. Such a session may include a broad range of content, from keynotes to panel discussions, and is not necessarily related to a specific style of presentation or deliberative process.

What are plenary lectures?

Plenary lectures provide an opportunity for AAAS Annual Meeting attendees and the public to hear from world-renowned speakers. The speakers discuss important progress on pressing science, technology, and policy issues, and share insights into future directions. Plenary lectures are free and open to all.

What is plenary government?

A plenary power or plenary authority is a complete and absolute power to take action on a particular issue, with no limitations. It is derived from the Latin term plenus ("full").