The term 'The Audacity of' is often used to refer to the title of a book written by Barack Obama, which was published in 2008. The book is about Obama's personal story and his vision for America. The crossword solution for this term is HOPE, which is a four-letter word. HOPE is an emotion that is often associated with optimism and a belief that things will get better. It is also a powerful tool for inspiring people to take action and make positive changes in their lives.