Related Clues:

• Give the thumbs-up
• Tennis ump's cry
• Reason to serve again
• Enable
• Tennis official's call
• Serve to be replayed
• Net-grazing serve
• God's first word
• Tennis umpire's call
• Court judgment
• Call at Wimbledon
• __ go (release)
• Accept as true
• Grant permission for
• Ease (up)