1. talk at length and formally about a topic; - Example: "The speaker dissertated about the social politics in 18th century England" [syn: hold forth, discourse, dissertate]
WordNet (r) 3.0 (2006):
hold forth
v 1: talk at length and formally about a topic; "The speaker
dissertated about the social politics in 18th century
England" [syn: hold forth, discourse, dissertate]