The term 'Wonderfully Brilliant' can be summed up with the crossword solution of 'MAGNIFICENT', which is an 11 letter word. MAGNIFICENT is an adjective that means to be extremely impressive or wonderful, and is often used to describe something that is grand and awe-inspiring. It is often used to describe a person's talent, skill, or intelligence. Therefore, the term 'Wonderfully Brilliant' can be accurately described as 'MAGNIFICENT'.