An untroubled state
Else clues• ___ Riot
• Put a sock in it!
• Shh!
• Zip it!
• Admonition from a librarian
• Angry teacher's cry
• Harried dad's heart's desire?
• Hospital caution
• Hushed
• Ironic thing to shout
• Librarian's admonition
• Librarian's request
• Librarian's warning
• Librarian's word
• Library byword
• Library request
• Library sign
• Like a library
• Like most libraries
• Low in decibels
• Muted
• Not noisy
• Pacify
• Partner of peace
• Peace partner
• Peace's companion
• Peaceful
• Peacefully silent
• Quell
• Restraining order
• Saying little
• Serenity
• Still
• Tranquil
• Wayne's The ___ Man
• Zipped, so to speak
• Free from disturbances
• The absence of sound
• A period of calm weather
• A disposition free from stress or emotion