operational

Etymology

operation + -al

adj

1. Of or relating to operations, especially military operations.
   Private-equity nabobs bristle at being dubbed mere financiers.[…]Much of their pleading is public-relations bluster. Clever financial ploys are what have made billionaires of the industry’s veterans. “Operational improvement” in a portfolio company has often meant little more than promising colossal bonuses to sitting chief executives if they meet ambitious growth targets. That model is still prevalent today. 2013-06-22, “Engineers of a different kind”, in The Economist, volume 407, number 8841, page 70
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, George Lucas, Governor Tarkin, Star Wars
   Despite somewhat faded paintwork, 87017 Iron Duke is clearly very much operational, as confirmed here on September 4. December 14 2022, “News in pictures: Class 87 soldiers on in Bulgaria”, in RAIL, number 972, page 26, photo caption
3. Effective or operative.
4. Determined by means of practical measures.