Related Clues:

• Versed in
• Is aware of
• Logical beginning?
• Common preposition
• ''Once --- a time...''
• Clued in regarding
• On top
• Not had by
• Well briefed about
• Word with catch or hang
• Not deceived by
• Not in the dark about
• Savvy about
• ''Once --- a Mattress''
• "--- futher review..."