customary

"You must permit the entry of humanitarian assistance to the civilian population. That is a principle of customary international law. You cannot use starvation. There are certain weapons you can never use."

TELLURIDE, Colo. — It’s customary at Telluride for a director premiering a movie to step onstage, say a few words and slip away before the lights go down.

He and his new wife, Mirna, exchanged the customary promises to love and care for one another in sickness and in health.

Much of the American political and social landscape of almost two centuries ago was eerily familiar, even if the labels were the reverse of what we perceive as customary today.

But he was determined to bow out of the public eye with a customary bang.