1. the main themes or central ideas of a speech, presentation, or event
2. speeches given by prominent speakers at conferences or events
3. the fundamental tones that establish the key in music
Usage: music

1. gives a keynote speech at an event
2. emphasizes or highlights the main themes of something

Examples

• The conference keynotes focused on innovation and sustainability.
• She keynotes at major technology conferences around the world.
• The CEO’s presentation keynotes the company’s commitment to environmental responsibility.
• This year’s keynotes include speakers from leading universities.
• The musician explained how keynotes establish the harmonic foundation.
• The opening ceremony keynotes will set the tone for the entire summit.
• He keynotes the importance of collaboration in his leadership philosophy.