General:
* Silence: This is the most common and direct noun for "silent."
* Quiet: Similar to silence, but can also refer to a lack of noise or commotion.
* Stillness: Emphasizes a lack of movement or activity.
Specific contexts:
* Hush: A sudden, brief period of quiet, often imposed for a specific purpose.
* Secrecy: Refers to the state of being hidden or kept secret, often associated with silence.
* Repose: A state of rest or peacefulness, often associated with quiet and calmness.
Figurative:
* Tranquility: A state of peace and calm, often associated with a lack of disturbance.
* Serenity: A state of peace and calmness, often associated with a sense of inner peace.
The best word to use will depend on the specific meaning you want to convey.