Rhetoric means the art of formal speech or writing.
Rhetoric is a noun.
Synonyms: mannered language, formal speech, oratory.
Note: Rhetoric is often used in a pejorative sense to mean eloquent language that is insincere or meaningless.
The politician's words were mere rhetoric—an insincere bunch of nonsense.
Don't waste my precious time with a lot of rhetoric.
Durga is skilled in rhetoric; she is a talented public speaker.