operational

adjective4

1. •
   Of or relating to operations, especially military operations.
2. •
   Functioning and ready for use.

   • Princess Leia, before your execution, you will join me at a ceremony that will make this battle station operational. No star system will dare oppose the Emperor now. — 1977
3. •
   Effective or operative.
4. •
   Determined by means of practical measures.