Related Clues:

• Refute - disprove
• Turn on its head
• Nullify - deny the existence of
• Cause to have no effect
• Show to be falsely honoured
• Claim or prove to be false
• Picture falsely
• Brute (anag)
• Contradict what's true for the most part
• Expose (pretentious claims?)
• Make a counterargument
• Expose as a fraud
• Prove otherwise
• Attempt to discredit rising hesitation nevertheless
• Deny existence of bright light going out of airport