confute (v.)

• answer
• antagonize
• break
• clash
• collide
• conflict
• confound
• contradict
• contravene
• controvert
• counter
• counteract
• counterattack
• counterclaim
• counterpose
• countervail
• cross
• crush
• defeat
• demolish
• deny
• dismiss
• evert
• finish
• floor
• nonplus
• oppose
• oppugn
• overthrow
• overturn
• overwhelm
• parry
• rebut
• refute
• rejoin
• resist
• settle
• silence
• squash
• squelch
• subvert
• undermine
• upset