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attestation

A1
Uncommon

Pronunciation

UK

  • /ətɪstˈeɪʃən/

US

  • /ˌæt.ɛˈsteɪ.ʃən/countableuncountablenoun

Meanings

Noun

  1. a formal statement, proof, or certification that something is true, authentic, or has been witnessed

  2. a security proof that a device, system, or software is genuine or in a trusted state

Beyond the definition

An attestation is a formal statement confirming that something is true, genuine, or in accordance with the facts. Think of it as providing evidence or bearing witness—like signing an affidavit to attest to what you saw. It's more than just saying something; it is a deliberate act of verifying information. You might find attestations required for legal documents, professional certifications, or even simply confirming attendance at a mandatory event. A chef, for example, might provide an attestation that their kitchen staff has completed specific health and safety training.

The word comes from the Latin "attestari," meaning "to bear witness." It implies a high level of formality and responsibility—you are putting your credibility on the line when you offer an attestation. You don't attest to something trivial; the term is reserved for important claims, facts, or qualifications.

Examples

  1. 1

    Travel health form

    Before boarding, each passenger had to complete a health attestation online.

  2. 2

    Document authenticity

    She signed an attestation that the documents were genuine.

    • Patternattestation that + statement

      a formal statement saying that something is true

  3. 3

    Residency proof

    The visa office asked for an attestation of residence from the local authorities.

    • Patternattestation of + status/fact

      official proof or confirmation of something

See also

Similar

Shades of meaning

Contrast

Used with (collocations)

  • attestation of compliance
  • letter of attestation
  • attestation clause
  • third-party attestation

Word family

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Forms and spellings

2 forms open this card.

Main spelling

  • attestationnoun

Forms

  • attestationspluralnoun