We had a very vigorous debate. ✬

He participated in the debate. ✬

His proposal started a debate that lasted a year. ✬

It wasn't much of a debate. ✬

We don't have time to debate. ✬

Did you listen to the broadcast of the National Diet's debate? ✬

Let's end this debate. ✬

That question naturally invited debate. ✬

It's not up for debate. ✬

It's not open to debate. ✬