A person who plays with or practices allegedly supernatural magic. / (sometimes derogatory) A spiritualist or practitioner of mystic arts. / A performer of tricks or an escapologist or an illusionist.

plural of magician

plural of white magician

A practitioner of white magic.

A practitioner of black magic.

plural of black magician

A polite refusal by someone who has just done a magic trick to reveal how it works. / (by extension) A refusal to explain how one accomplished something impressive.