Russian-English translations for подтвержда́ть

• acknowledge
  to acknowledge the being of a god
  to acknowledge a favor
  This is to acknowledge your kind invitation to participate in the upcoming debate
• attest
  When will the appraiser attest the date of the painting?
  You must attest your will in order for it to be valid.
  Her fine work attested her ability.
• certify
  These blankets have been certified as fireproof.
• confirm
• corroborate
• verify
• vouch
  I can vouch that the match took place.
• witness
  She can bear witness, since she was there at the time.
  As a witness to the event, I can confirm that he really said that.
  The witness for the prosecution did not seem very credible.