verb (v)

• overthrow by argument, evidence, or proof(verb.communication)

  Synonym:
  refute
  

  source: wordnet30
• prove to be false or incorrect(verb.cognition)

  Synonym:
  controvert, refute
  

  source: wordnet30
• To drive or beat back; to repulse.(verb)

  source: webster1913
• To retire; to recoil.(verb)

  source: webster1913