The security of Israel is a moral imperative for all free peoples.
My imperative is to seek every moment and to live so God is in control.
Peace with Israel is a strategic imperative for Jordan.
Much of what the Bible demands can be comprised in one imperative: Remember!
Globalization is now no longer an objective but an imperative, as markets open and geographic barriers become increasingly blurred and even irrelevant.
In a concurrent world, imperative is the wrong default!
It is better to control oneself, if one can, and not hit back. But on certain occasions, it is imperative to defend oneself. I don't think it's fair to ask anybody not to defend herself or himself.