Delivered a keynote (6)
I believe the answer is:
orated
(Other definitions for orated that I've seen before include "made a speech" , "lectured" , "Made speeches" , "Talked pompously" , "Spoke at length" .)
I believe the answer is:
orated
(Other definitions for orated that I've seen before include "made a speech" , "lectured" , "Made speeches" , "Talked pompously" , "Spoke at length" .)