Related Clues:

• Something to go by
• Big star
• Some entertainers have one
• Rat on
• Bob or Roberta
• 'What's in a ___?': Juliet
• Word after maiden or pen
• Job-application datum
• Blow the whistle on
• Some babies have one at birth
• Reel off
• It's on every driver's license
• Nominate
• ''A Horse With No ___''
• Birth certificate datum