потвърждение означава в английски

acknowledgment [acknowledgments]▼(act of acknowledging)
noun
[UK: ək.ˈnɒ.lɪdʒ.mənt] [US: æk.ˈnɑː.lɪdʒ.mənt]

attestation [attestations]▼(something which bears witness, confirms or authenticates)
noun
[UK: ˌæ.te.ˈsteɪʃ.n̩] [US: ˌæ.te.ˈsteɪʃ.n̩]

corroboration [corroborations]▼(that which corroborates)
noun
[UK: kə.ˌrɒ.bə.ˈreɪʃ.n̩] [US: kə.ˌrɒ.bə.ˈreɪʃ.n̩]

confirmation [confirmations]▼(indicator)
noun
[UK: ˌkɒn.fə.ˈmeɪʃ.n̩] [US: ˌkɑːn.fər.ˈmeɪʃ.n̩]

verification [verifications]▼(the act of verifying)
noun
[UK: ˌve.rɪ.fɪˈk.eɪʃ.n̩] [US: ˌve.rə.fəˈk.eɪʃ.n̩]