Eat a meal this week together in silence. Afterwards, discuss your experiences and decide whether to make this a regular part of your household routine.
Sharing silence in a group context is a worthwhile discipline. Join a group or form one of your own. It could be organized around mindfulness practice, centering prayer, or just sitting in silence without any structure.
Many communities, surprisingly, have few places where people can go to be quiet, safely, alone. Church sanctuaries used to provide this service, but many of them are locked during non-worship hours. Parks usually have areas designated for children's or dog runs but no places where someone seeking silence can go. Survey your community to identify places of peace and quiet. Then organize a group to develop other sanctuaries of silence.