[header] How to gain confidence for debating [title] Be prepared for the debate. [step] Many debates will give you some time to study and research your topic before the actual debate occurs. You'll want to spend plenty of time looking into the subject, doing your research and preparing your arguments. 
Feeling comfortable with the issue and your arguments can go a long way in keeping you calm during the debate. You should research both sides of the argument, if you don't know your side.