debate
/di-ˈbāt/
noun
a regulated discussion of a proposition between two matched sides
the formal discussion of a motion before a deliberative body according to the rules of parliamentary procedure
the last presidential debate before the election
verb
to argue about
to engage (an opponent) in debate
to turn over in one's mind : to think about (something, such as different options) in order to decide
the subject was hotly debated
a governor debating her challenger
idiom
being a matter about which people have different ideas and opinions
Whether or not the tax cuts benefit the poor is still a matter of debate.