de rigueur

To that end, it’s de rigueur for progressives to do a great deal of throat clearing before saying anything nice about it.

The practice caught on, and now it’s nearly de rigueur for politicians to wear it on their attire.

Back then, orange blossoms were the de rigueur flower of wedding bouquets.

When he first opened, he dutifully stocked his back bar with ingredients for de rigueur cocktails: cranberry juice for Cosmopolitans and a $100 jar of fancy olives for Dirty Martinis.

But their institutional weight made it de rigueur in Southern California philanthropy.