dissertate

In a moment Billy came out ready to dissertate at length.

From The Westerners by White, Stewart Edward

One thing I can do—pencil, if you like, and annotate, and dissertate upon that I love most and least—I think I can do it, that is.

From The Letters of Robert Browning and Elizabeth Barrett Barrett, Vol. 1 (of 2) 1845-1846 by Browning, Robert

They had neither to argue nor to dissertate, nor to lay down rules for conduct, nor to ventilate their own fancies.

From Expositions of Holy Scripture St. Luke by Maclaren, Alexander

The Greek sought after wisdom; he wanted a man who would perorate and argue and dissertate.

From Expositions of Holy Scripture: Romans Corinthians (To II Corinthians, Chap. V) by Maclaren, Alexander

Not that Hilda could dissertate, or talk learnedly about pictures; she would probably have been puzzled by the technical terms of her own art.

From The Marble Faun - Volume 1 The Romance of Monte Beni by Hawthorne, Nathaniel

Rio editors dissertated on the significance of the occasion.

From Time Magazine Archive

The little doctor sat in the darkest room and dissertated cannily on the strange variety of subjects which a Scotchman can always bring up on the most ordinary occasions.

From The Claim Jumpers by White, Stewart Edward

Many writers who have dissertated upon Japan during the past couple of decades seem to have imagined that they had discovered it, and their impressions have been penned from that standpoint.

From The Empire of the East by Montgomery, H. B. (Helen Barrett)

Or with long instructive finger he dissertated on the celestial universe.

From There's Pippins and Cheese to Come by Brooks, Charles S. (Charles Stephen)

Bert Taylor dissertated sometimes on one phase of the subject, sometimes on another.

From The Gray Dawn by White, Stewart Edward

He knows me well enough to understand that when I’m dissertating on the merits of tufted cushions, I’m chewing on something else.

From New York Times ● Sep. 23, 2016