Should a player accidentally see a card, other than one's own, proper etiquette would be to admit this.
At a loss for the proper etiquette, I stooped down and patted him on the head.
"Knowing proper etiquette is a given, and they should not care about being involved in their employer's world," he added.
It is important to learn the proper etiquette and not cheat.
He had no interest in displaying proper etiquette to this man.
But I was the one who taught him proper etiquette.
What was proper etiquette in greeting a man who'd been old when you last met him as a child?
It is considered proper etiquette to invite guests at least a few days, and up to three weeks, in advance.
There are new people who need to learn the proper etiquette for interacting on your site.
He had been instructed in the proper etiquette and was determined to make no mistakes.