de·bate 
(dĭ-bāt)
(dĭ-bāt)v. de·bat·ed, de·bat·ing, de·bates
v.intr.
1. To consider something; deliberate.
2. To engage in argument by discussing opposing points.
3. To engage in a formal discussion or argument. See Synonyms at discuss.
4. Obsolete To fight or quarrel.
v.tr.
1. To deliberate on; consider.
2. To dispute or argue about.
3. To discuss or argue (a question, for example) formally.
4. Obsolete To fight or argue for or over.
n.
1. A discussion involving opposing points; an argument.
2. Deliberation; consideration: passed the motion with little debate.
3. A formal contest of argumentation in which two opposing teams defend and attack a given proposition.
4. Obsolete Conflict; strife.
[Middle English debaten, from Old French debatre : de-, de- + battre, to beat; see BATTER1.]
de·batement n.
de·bater n.