corroborate

/kəˈrɑbəˌreɪt/
verb
  1. To support or confirm with evidence or authority; to make more certain.
    • The experiment's results corroborate the theory that the drug is effective.
    • The new witness will corroborate the victim's story in court.
    • Can you corroborate your claim with any documents or receipts?
What does "corroborate" mean? | whatsthatwordmean | whatsthatwordmean