connoisseur kon-uh-SUR noun WS #10

a person with expert knowledge and keen discrimination in some field, especially in the fine arts, food, or matters of taste; a discerning judge of quality

1. As a connoisseur of classical music, she appreciates the subtle differences between orchestra performances.
2. My grandfather is something of a cheese connoisseur and imports varieties from all over Europe.
3. He's a connoisseur of fine wines and can identify the region where each was produced.
4. The art connoisseur immediately recognized the painting as a forgery.
5. The restaurant attracts coffee connoisseurs with its rare and exotic bean selections.