Oration
/ɔɹˈeɪʃən/
noun
A formal, often ceremonial speech.
“a funeral oration; an impassioned oration; to make / deliver / pronounce an oration”
A lengthy speech or argument in a private setting.
A specific form of short, solemn prayer said by the president of the liturgical celebration on behalf of the people.
Synonyms: address, discourse, eulogy, harangue, homily, lecture, sermon, lecture
verb
To deliver an oration; to speak.
Synonyms: hold forth, orate, sermonize, speechify