"discoursing" in the verb sense
1. discourse, talk about, discuss
to consider or examine in speech or writing
"The author talks about the different aspects of this question"
"The class discussed Dante's `Inferno'"
2. converse, discourse
carry on a conversation
3. hold forth, discourse, dissertate
talk at length and formally about a topic
"The speaker dissertated about the social politics in 18th century England"
Source: WordNet® (An amazing lexical database of English)
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