a set or series of parts connected to form a whole; a company assembled about a central point or topic of interest; a circular ring of persons or things. See also company, ring.
Chrestomathy
Christendom
Circle
Circuit
Citadel
Examples: circle of action; of admirers; of acquaintances; of doctrine; of fallacy; of foliages; of glory; literary circle; circle of onlookers; of pleasures; of passion; of possibilities; of probability; of sciences; of stars.