countervail (v.)

• accommodate
• adjust
• amend
• antagonize
• balance
• cancel
• clash
• collide
• compensate
• conflict
• confute
• contradict
• contravene
• controvert
• coordinate
• correct
• counter
• counteract
• counterattack
• counterbalance
• countercheck
• counterpoise
• counterpose
• cross
• equalize
• equate
• even
• fit
• foil
• frustrate
• integrate
• level
• offset
• oppose
• oppugn
• outweigh
• overcome
• poise
• proportion
• protest
• rectify
• redeem
• resist
• square
• surmount
• thwart
• traverse
• withstand