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" ;