1. the careful consideration of all sides of an issue
2. reasoned and thoughtful discussion about a question
3. the process of discussion by which consensus, wisdom, and truth are reached in a collective fashion
The American legislature is supposed to have a deliberative process whereby law-making is slow because of the time it takes to determine the best policy and build a consensus in its favor.
"For Your Deliberation" - phrase used by TheDelibero.com when referring to a fact or opinion that merits discussion