Creative Confidence according to Tom and David Kelley (authors & founders of IDEO) is "a way of seeing potential and your place in the world more clearly, unclouded by anxiety and doubt."
This is something I (Ashleigh-Jade) studied intensely while completely my masters in communication design. It is an area where I have much interest and hope to make it a big part of Beyond Paper Planes. How? Well that part is still in the making, but in the meantime, I would highly recommend the book this definition comes from... Here