1. speaks or writes at length on a subject; delivers a formal discourse
Usage: formal; third person singular present tense of ‘dissertate’

Examples

• The professor dissertates on medieval literature every Tuesday.
• She dissertates eloquently about environmental policy.
• He dissertates for hours about his research findings.
• The scholar dissertates on ancient philosophy with great passion.
• During the conference, she dissertates on modern art movements.
• The expert dissertates about climate change to the committee.