Part of speech: Noun
the formal presentation of a stated proposition and the opposition to it (usually followed by a vote)
Categories: Public speaking, Speechmaking, Speaking, Oral presentation
Part of speech: Verb
argue with one another
Example: We debated the question of abortion; John debated Mary
Categories: Consider, Debate, Moot, Turn over, Deliberate
Part of speech: Verb
discuss the pros and cons of an issue
Categories: Hash out, Discuss, Talk over
Argument, Fence, Public debate, Argumentation, Deliberate
The word "debate" comes from Latin dis-. It started in Old French debatre. Then it appeared in Middle English debaten.
A word passing through this many languages survived because it named something universally important.