Related Clues:

• Conver-sant with
• At the time of
• 'Once -- a time ...'
• Sitting atop
• Your current direction
• At the crown
• Higher than
• It often follows 'once'
• Word often following 'once'
• At the highest point
• "__ the Roof" (Drifters song)
• Lying on
• On the apex
• Hip to
• Read -- (study)