Noun

(uncountable) The quality or fact of being subtle.

With all his usual subtlety , he quietly fixed the problem before anyone else noticed it.

(countable) An instance of being subtle, a subtle thing, especially a subtle argument or distinction.

The subtleties of this overture are often overlooked.

(countable) An ornate medieval illusion dish or table decoration, especially when made from one thing but crafted to look like another.

At the king's coronation feast, several subtleties were served between main courses.

Noun

(en-noun)

(eulogistic) Someone possessing extraordinary intelligence or skill; especially somebody who has demonstrated this by a creative or original work in science, music, art etc.

*

, title=(The Celebrity), chapter=1 , passage=In the old days, to my commonplace and unobserving mind, he gave no evidences of genius whatsoever. He never read me any of his manuscripts, […], and therefore my lack of detection of his promise may in some degree be pardoned.}}

Extraordinary mental capacity.

Inspiration, a mental leap, an extraordinary creative process.

(Roman mythology) The guardian spirit of a place or person.

A way of thinking, optimizing one's capacity for learning and understanding.