con·nois·seur|\ ˌkä-nə-ˈsər also -ˈsu̇r\
Definition of connoisseur
1: expertespecially: one who understands the details, technique, or principles of an art and is competent to act as a critical judge a connoisseur of music
2: one who enjoys with discrimination and appreciation of subtleties
a connoisseur of fine wines