Possible Clues:

• Soften, mitigate
• Relieve, as fears
• Make less unpleasant
• Placate
• 'Make less severe, pain say (7)'
• Soften cooked sausage
• Relieve both sons moving together in Cumberland, say
• Silly, you get older. Does that satisfy you?
• Ease shown by a flipping European physicist
• Make less severe