Related Clues:

• Beat swords into plowshares
• Put down, as an uprising
• With nary a wave
• Bane for sailors
• Change from wild to mild
• Hardly risque
• Serviceable but harmless
• Not very racy
• Like housecats
• Zero on the Beaufort scale
• Cool as a cucumber
• Library demand
• Exhibiting equanimity
• "Shhh!"
• Like circus animals