Related Clues:

• Emulate a waiter
• Do some waiting
• ''--- out!'' (''Stop, kids!'')
• Try for an ace
• Start a point
• Make the grade
• Deliver, as a summons
• Be entirely satisfactory
• Be effective
• Start the match
• Get the job done
• Do one's duty
• Serena specialty
• Minister to
• Start the tennis match