Possible Clues:

• Ironed
• Proposed arresting husband after son gets flattened
• Evened out any rough or bumpy bits
• Used sandpaper on
• Aggravated the mood's calmed
• Polished debate in outbuilding
• Ironed out
• Sandpapered
• Polished cast covered debate
• Calmed the many trapped inside: left them unruffled