An order, club, alliance, union, or other organisation comprised of people who can do magic. Names vary: it may be called the Mages' Guild, the Circle of Mages, the Conclave of Sorcerors, the Arcane Brotherhood, or whatever. A given setting may have one magical society, several, or none. Historical esoteric societies of any variety are often portrayed as these in Historical Fantasy or Urban [...] [tvtropes.org]