What is a Synonym for connoisseur?

Here are some synonyms for connoisseur, depending on the specific context:

Formal:

* Expert

* Aficionado

* Savant

* Maestros

* Guru

* Specialist

* Authority

* Judge

* Critic

Informal:

* Fanatic

* Buff

* Enthusiast

* Devotee

The best synonym will depend on the specific context of the sentence.