"Vigorous debate" refers to a lively and intense discussion or argument on a particular topic, where people express different opinions and ideas with passion and energy. Full definition
But inside firms, I don't hear much about vigorous debate about firm matters. (patrickjlamb.com)
Perhaps the most important is the value of vigorous debate. (patrickjlamb.com)
Moreover, vigorous debate over policy options and technological trade - offs will be needed if we are going to identify effective paths forward and build broad support for action. (dotearth.blogs.nytimes.com)