Today’s Parola del Giorno is the verb, azzittirsi, which means to fall silent or to quiet down. This verb is an -isc- verb and is conjugated like preferire:

Che casino ieri nel palazzo! Tutti i condomini protestavano per l’ascensore rotto. Solo dopo l’arrivo della polizia si sono azzittiti

What a mess yesterday at the apartment building! All of the residents were protesting about the broken elevator. They quieted down only after the police came.