Grand speechmaking

I believe the answer is:

oratory

(Other definitions for oratory that I've seen before include "Gift of the gab" , "devotional space" , "formal speech" , "Art of speech" , "Art or skill of public speaking" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.