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c.1300, "secular tribunal," from Old North French consistorie (Old French consistoire, 12c.) and directly from Late Latin consistorium "waiting room, meeting place of the imperial council," from Latin consistere (see consist). Meaning "Church council" is from early 14c.
(from Latin consistorium, "assembly place"), a gathering of ecclesiastical persons for the purpose of administering justice or transacting business, particularly meetings of the Sacred College of Cardinals with the pope as president. From the 11th century, when the institution of the cardinalate became more important, the Sacred College of Cardinals, assembled in regular meetings called consistories, became the normal counsellors of the popes. In the course of time more complicated business came to be assigned to various commissions of cardinals, and with the formal organization of the congregations, or offices, of the Roman Curia by Sixtus V (1585-90), the active function of the consistories diminished. In modern times consistories are largely ceremonial. The limited matters they deal with have already been arranged by the pope himself or by the Consistorial Congregation, and the request for the opinion of the cardinals is a formality. Thus, consistories-of which there are three kinds (secret, semipublic, and public)-have become a form of solemn promulgation of certain special papal acts, such as creating cardinals, conferring the hat on newly created cardinals, making appointments to dioceses, accepting resignations, and issuing annual policy summaries on the state of the church