Related Clues:

• Carbonated drink
• 'Hold your tongue!'
• Fountain treat
• Van Gogh's 'Irises,' e.g.
• Drink mixer
• Harmony
• Make sense, with 'up'
• Complaint
• Take on
• Flattery
• Masseur's need
• Explain further
• Sum up
• Irk
• Use a postscript