connoisseur

/ˌkɑːnəˈsɜːr/

con·nois·seur

BrE /ˌkɒnəˈsɜː(r)/

NAmE /ˌkɑːnəˈsɜːr/,

/ˌkɑːnəˈsʊr/

an expert on matters involving the judgement of beauty, quality or skill in art, food or music

a connoisseur of Italian painting

a wine connoisseur