affidavit

/ˌæfəˈdeɪvɪt/
noun
  1. A written statement that someone swears to be true, usually in front of a notary public or other authorized official, often used as evidence in court.
    • The lawyer asked her client to prepare an affidavit about the accident.
    • The witness signed an affidavit describing what she saw that night.
    • To prove his identity, he submitted a notarized affidavit to the bank.
Synonyms
What does "affidavit" mean? | whatsthatwordmean | whatsthatwordmean