operational

pertaining to a process or series of actions for achieving a result

• “operational difficulties”
• “they assumed their operational positions”

fit or ready for use or service

• “the toaster was still functional even after being dropped”
• “the lawnmower is a bit rusty but still usable”
• “an operational aircraft”
• “the dishwasher is now in working order”

of or intended for or involved in military operations

being in effect or operation

• “de facto apartheid is still operational even in the”
• “African nations” Leslie Marmon Silko
• “bus service is in operation during the emergency”
• “the company had several operating divisions”