Someone possessing extraordinary intelligence or skill; especially somebody who has demonstrated this by a creative or original work in science, music, art etc.
Inspiration, a mental leap, an extraordinary creative process.
Extraordinary mental capacity.
The tutelary deity or spirit of a place or person.
Ingenious, brilliant, very clever, or original.
The use of professionals rather than amateurs in any sport etc.
The status, methods, character or standards expected of a professional or of a professional organization, such as reliability, discretion, evenhandedness, and fair play.