oration
nounUK /ɒˈreɪʃən/
US /ɔːˈreɪʃən/
A speech given to many people on a special occasion.
The student gave a short oration at the graduation ceremony.
OTHER MEANINGS
2. A formal and elaborate speech delivered with great style.
The senator's oration moved the entire crowd.
3. The act or skill of speaking formally in public.
She studied oration to become a better debater.
4. A long, serious talk that teaches or persuades.
His oration on kindness lasted nearly an hour.