Related Clues:

• Puts at ease
• Starts to drop
• Loses intensity
• Silences, as a show
• Trumpet mufflers
• Tails off
• Dies away
• Remote buttons
• Goes down like storm
• Becomes less strong like storm
• Lets up, dies away
• 'Lets up, dies away (6)'
• Becomes less severe or strong
• Lets up, dies down
• Even though it diminishes, one could be set up with a degree