dissertate

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

From The Westerners by Stewart Edward White

“Whom,” not what—a person, not a system; we “proclaim,” not we argue or dissertate about.

From The Expositor's Bible: Colossians and Philemon by Alexander Maclaren

Mr. Brown, who had always met my advances with a grim taciturnity that made conversation exceedingly difficult, proceeded to dissertate upon one or two of the vexed questions of the day.

From An Amiable Charlatan by E. Phillips (Edward Phillips) Oppenheim

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 Robert Browning

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 Nathaniel Hawthorne

Rio editors dissertated on the significance of the occasion.

From Time Magazine Archive

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

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

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

From The Gray Dawn by Stewart Edward White

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 Stewart Edward White

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 H. B. (Helen Barrett) Montgomery

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