cognoscente
/kɒɡ.nəˈsɛn.tiː/Definitions
1. noun
A person who has an expert or sophisticated knowledge of something, especially the arts.
“The film critic was a renowned cognoscente of 20th-century cinema.”
2. noun
A person who is an expert or connoisseur in a particular field, especially the arts.
“The art collector was a respected cognoscente of Impressionist painting.”