Question

What is the definition of deliberation?

Answer 1

Deliberation (noun) comes from the verb deliberation. A deliberation is a discussion or an intentional  consideration of something.

Answer 2

According to the dictionary deliberation might be "long and careful consideration or discussion" or "slow and careful movement or thought" The term is usually associated with a hard decision to be taken for more than a person. For example people at the Government, they should deliberate, discuss certain topics in order to get to an agreement.