Related Clues:

• Checks
• Extinguishes
• Moistens
• Reduces in intensity
• Lessens in intensity
• Deadens, as a string
• Muffles
• Deadens
• Makes less intense
• Chokes
• Makes wet
• Softens, as sound
• Checks edge of smashed guitar gear?
• Deadens, as a piano string
• Restrains, as one's emotions