n. 1. A fitting out, or equipment, as of a ship for a voyage, or of a person for an expedition in an unoccupied region or residence in a foreign land; the expense of, or allowance made for, equipment, as by the government of the United States to a diplomatic agent going abroad. [ 1913 Webster ]
2. Hence: Any assemblage of objects required for or used in performing a task; things required as equipment for a task. [ PJC ]
3. A complete ensemble of clothing, selected to form a matching set; a coordinated costume; as, a new Easter outfit. [ PJC ]
4. A business enterprise; as, what outfit do you work for?. [ informal ] [ PJC ]
5. Any team or party of people. [ PJC ]