The Collaborative International Dictionary of English v.0.48:
Cognoscente \Cog`nos*cen"te\, n.; pl. Cognoscenti. [OIt. cognoscente, p. pr. of cognoscere, It. conoscere to know.] A connoisseur. --Mason. [1913 Webster]WordNet (r) 3.0 (2006):
cognoscente n 1: an expert able to appreciate a field; especially in the fine arts [syn: connoisseur, cognoscente]