Related Clues:

• At the time of
• 'Once -- a time ...'
• Sitting atop
• It often follows 'once'
• Word often following 'once'
• "__ the Roof" (Drifters song)
• Hip to
• Read -- (study)
• Fairy-tale word
• Having studied
• Informed of
• "___ the Roof" (Drifters song)
• Word with reflection or my word
• Immediately after
• Well-versed in