'Connoisseur' definitions:

Definition of 'connoisseur'

From: WordNet
noun
An expert able to appreciate a field; especially in the fine arts [syn: connoisseur, cognoscente]

Definition of 'Connoisseur'

From: GCIDE
  • Connoisseur \Con`nois*seur"\ (?; 277), n. [F. connaisseur, formerly connoisseur, fr. conna[^i]tre to know, fr. L. cognoscere to become acquainted with; co- + noscere, gnoscere, to learn to know. See Know, and cf. Cognizor.] One well versed in any subject; a skillful or knowing person; a critical judge of any art, particulary of one of the fine arts. [1913 Webster]
  • The connoisseur is "one who knows," as opposed to the dilettant, who only "thinks he knows." --Fairholt. [1913 Webster]

Synonyms of 'connoisseur'

From: Moby Thesaurus