When you want someone to be quiet, there are many synonyms to choose from. Here are some examples:
1. Hush: This word suggests a gentle quietness.
2. Silence: This word implies a complete lack of sound.
3. Still: This word suggests calming down or making no movement.
4. Shush: This word is often used to quiet someone who is talking too much.
5. Zip it: This is a more informal way of asking someone to be quiet.
6. Shh: A simple sound that means "be quiet."
Overall, the choice of synonym depends on the context and the level of urgency or politeness you want to convey.