Related Clues:

• Br superior to (someone)
• Best available tonic?
• Better to party on holiday first
• Modify, as legislation
• Change original name taken by daughter
• Add a rider to, perhaps
• Gambler cured?
• Change, alter
• Excel at alfresco feast
• Dwarf's picnic?
• Chaps in commercial change for the better
• Being teetotal, when surrounded by alcoholic, is superior
• Having recovered from the backer
• Not being in the same thing makes one excel
• More advantageous for the punter