n.1 a set of things belonging together, esp.: a a set of rooms in a hotel etc. b a sofa, armchairs, etc., of the same design.
2 Mus. a a set of instrumental compositions, orig. in dance style, to be played in succession. b a set of selected pieces from an opera, musical, etc., arranged to be played as one instrumental work.
3 a set of people in attendance; a retinue.
Etymology: F (as SUIT)