Related Clues:

• Land to which Cain fled
• Signal at Sotheby's
• Crash, so to speak
• O.K. sign, maybe
• It was azure-lidded, to Keats
• Rest
• Nod off
• Skins
• Acknowledge
• O.K.
• Go-ahead
• Nod
• Sore labour's bath, to Shakespeare
• Doze (off)
• See 28-Down