operational

operational

adj.
  1. of or pertaining to operations; as, operational procedure.
  2. Fit or ready for service; available and in working condition; as, an operational aircraft. Opposite of out-of-service.
  3. of or intended for or involved in military operations. Opposite of nonoperational. (Mil.)
  4. In force; not expired or annulled; -- of rules or laws.
    de facto apartheid still operational even in the ‘new’ African nations
    — Leslie Marmon Silko