Use 'debatable' when you want to express doubt about a commonly accepted idea or fact. The necessity of homework in learning new material is debatable.
Pro Tip 2/3
Caution in Agreement
Insert 'debatable' to gently disagree or show you're not fully convinced. Your point is debatable, but I see where you're coming from.
Pro Tip 3/3
Conversation Starter
Spark discussions by labeling a topic as debatable to invite different viewpoints. Is climate change the most pressing issue of our time? That's debatable.