(noun) a person who has expert knowledge in a subject; connoisseur
Those cognoscenti whose values were formed before TV and advertising became psychologically pandemic are still anxious to draw a sharp distinction.
(between mass media and "quality")
special appeal to a cognoscenti of B-boys
It takes the meaning-of-life question out of the hands of a coterie of adepts or cognoscenti and returns it to the routine business of everyday existence.