Answer:

served

Answer	Crossword Clue
SERVED	Started a tennis game
SERVED	Waited on
SERVED	Started a tennis point

SERVED	McDonald's sign word
SERVED	Delivered: Tennis.
SERVED	Dished up.
SERVED	Worked for.
SERVED	Did.
SERVED	Tennis term.
SERVED	Filled the bill
SERVED	Put the ball in play

SERVED	Was adequate
SERVED	Dished up
SERVED	Started a tennis match
SERVED	Started the set
SERVED	Like tennis balls and dinners
SERVED	Socked a shuttlecock