Connoisseur

A person with deep knowledge and refined judgment in a particular subject.

Reach for it when praising developed appreciation that can distinguish fine quality

The tea connoisseur identified the hillside from the aroma alone.

• playful

  maven

  informal American praise suits someone sought out for knowledge

  not when Maven can sound trendy and does not specifically imply refined taste.

• everyday

  enthusiast

  strong interest is established without a prestige claim

  not when Enthusiasm alone does not make someone a connoisseur.

• warm

  aficionado

  knowledgeable enthusiasm is as important as judgment

  not when Aficionado is informal and may signal devotion without expert discrimination.

• professional

  expert

  substantial knowledge or skill is the plain claim

  not when Expertise may be technical and need not include refined taste or appreciation.

• formal

  authority

  others recognize the person's knowledge as reliable

  not when Authority depends on reputation and may sound status-heavy.

• literary

  appreciator

  sensitive enjoyment matters more than formal expertise

  not when Appreciator is uncommon and can overstate discernment from simple liking.

• novice
• dilettante
• indifferent observer

• art connoisseur

  The art connoisseur explained the repair without pretending it was original paint.

• wine connoisseur

  A wine connoisseur can still prefer an inexpensive local bottle.

• connoisseur of

  She became a connoisseur of regional weaving techniques.

Connoisseur can sound elitist or self-bestowed; name the field and evidence of knowledge when credibility matters.