connoisseur
noun
[ ˌkɒnəˈsəː ]
• an expert judge in matters of taste.
• "a connoisseur of music"
Similar:
expert judge (of),
authority (on),
specialist (in),
arbiter of taste,
pundit,
savant,
one of the cognoscenti,
aesthete,
gourmet,
epicure,
gastronome,
buff,
maven,
Origin:
early 18th century: from obsolete French, from conoistre ‘know’.