She wiped her cheeks with a tiny, polite smile and gave the handkerchief back, murmuring ’Grazie, grazie’ with meek, maidenly propriety, and then, without any warning whatsoever of a change in mood, clawed suddenly at his eyes with both hands.
There are no more uses of "propriety" in the book.
Show samples from other sources
While she took comfort in propriety, he saw it as a straitjacket.
She was known for losing all sense of propriety once she had a few drinks.