Related Clues:

• Toss-up
• Equalizes
• Makes true
• Becomes equal (with ''out'')
• Balances
• Half of the integers
• Planes, say
• Not odds
• Category that excludes 1
• Smoothes out
• 2, 4, 6, 8, etc.
• Odds
• A tossup
• Smooths out
• Two, four, six, etc.