The meaning of the text has been the subject of considerable/intense/lively 'debate' among scholars for many years.
She was on the 'debating team' [=a group that competes against other teams in formal debates] at school.
Whether or not the tax cuts benefit the lower classes is still hotly 'debated' among economists.
(..) - You're sure about this, Neville? - Absolutely. - For an hour? - Most likely. Most likely? Well, there is some debate among herbologists... ...as to the effects of fresh water versus salt water... You're telling me this now? You must be joking! (..)2005 Harry Potter and the Goblet of Fire