Related Clues:

• Back from dreamland
• Vigilant
• Not out
• On one's toes
• Informed
• See 27-Down
• Cognizant
• Fully up-to-date
• Not out of it
• Clued in
• Posted, so to speak
• Opposite of 'out'
• Tuned in to
• Up and at 'em
• Well-apprised