Just trawled through a whole set of quotes from Timothy R.V. Foster's 101 Ways to Generate Great Ideas which was seminal to my learning the skill of facilitating small groups about ten years after I started doing it. i.e. ten years too late. I went to the shelf to get it down but it has gone. So good I lent it out. I must have a, 'So good I never lend it out' category. Anyway:
Learn to abandon negative reactions.
622. A good way to deal with an idea that is clearly negative to all is to say something like, 'Hmm. How can we make this work? Does this lead to any other way of solving the problem?'