1) General subject: corner cutting, corner-cutting, dispatch, efficiency, efficient response, operational efficiency, prompt attention (to a matter), speed (дёшево, но сердито), promptitude, promptness
2) Military: effectiveness, flexibility, flexibility in response, operational flexibility, response to orders, responsiveness, responsiveness to command
3) Information technology: operativeness
4) Automation: operability, operationability
Универсальный русско-английский словарь. Академик.ру. 2011.