Noun

(profundities)

The state of being profound or abstruse.

A great depth.

Deep intellect or insight.

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.