Connoisseur vs. Dilettantism — What's the Difference?

Difference Between Connoisseur and Dilettantism
Definitions
Connoisseur➦
A connoisseur (French traditional, pre-1835, spelling of connaisseur, from Middle-French connoistre, then connaître meaning 'to be acquainted with' or 'to know somebody/something') is a person who has a great deal of knowledge about the fine arts; who is a keen appreciator of cuisines, fine wines, and other gourmet products; or who is an expert judge in matters of taste. In many areas, the term now has an air of pretension, and may be used in a partly ironic sense.
Dilettantism➦
One who dabbles in an art or a field of knowledge.
Connoisseur➦
An expert judge in matters of taste
A connoisseur of music
Dilettantism➦
(Archaic) A lover of the fine arts.
Connoisseur➦
A person with expert knowledge or training, especially in the fine arts.
Dilettantism➦
Superficial; amateurish.
Connoisseur➦
A person of informed and discriminating taste
A connoisseur of fine wines.
Dilettantism➦
The act of behaving like a dilettante, of being an amateur or "dabbler", sometimes in the arts. Also the act of enjoying the arts, being a connoisseur.
Connoisseur➦
A specialist in a given field whose opinion is highly valued, especially in one of the fine arts or in matters of taste.
Dilettantism➦
Same as Dilettanteism.
Connoisseur➦
One well versed in any subject; a skillful or knowing person; a critical judge of any art, particulary of one of the fine arts.
The connoisseur is "one who knows," as opposed to the dilettant, who only "thinks he knows."
Connoisseur➦
An expert able to appreciate a field; especially in the fine arts