Discussion (noun)

1. A conversation or debate about a particular subject.
2. A formal meeting or seminar in which a specific topic is discussed and debated.
3. Consideration or examination of a particular subject.

Origin:

Late middle english: from old french, or from latin discussio(n-), from discutere "shake or break up", from dis- "apart" + quatere "to shake".

Examples:

1. We had a lengthy discussion about the proposal.
2. A discussion of current events.
3. The discussion was lively and full of different opinions.
4. A discussion between two sides about a specific issue.
5. The discussion was held to resolve the matter in question.