The word "keynote" refers to the main or most important speech or presentation given at an event or gathering. It sets the tone, highlights key ideas, or serves as an introduction for the rest of the event. Full definition
In an educational setting, a featured keynote speaker addresses all attendees on a specific topic in veterinary dentistry. (veterinarydentalforum.org)
He regularly gives keynote addresses at international conferences for educators, parents and therapists, and runs workshops and trainings around the world. (attachmentparenting.org)
I teach seminars, provide in - house training to law firms and legal departments, and give keynote speeches at conventions and association meetings. (lawyerist.com)