Related Clues:

• Be honest (with)
• Video game stage
• Horizontal line
• Either way, it's flat
• Raze
• Make equal
• Bring into balance
• Make square
• On an even keel
• Make level
• It can follow the last word of 20-, 27-, 47- and 53-across
• Tool-box item
• Flat, as a field
• Make equal, as the score
• Parking-garage division