* Formal: "The philosophers spent hours discoursing on the nature of reality."
* Informal: "We were discoursing about the latest movie when the doorbell rang."
* Literary: "The poet, discoursing on the beauty of nature, captivated the audience."
* Specific: "The professor was discoursing on the history of the Roman Empire."
Key points:
* "Discoursing" implies a formal or lengthy discussion or debate.
* It's often used to describe academic or intellectual conversations.
* You can replace it with "talking about" or "discussing" in more informal contexts.