attestor

/əˈtɛstər/
noun
  1. A person who witnesses the signing of a document and confirms its authenticity by signing it themselves.
    • Each attestor must sign the document in the presence of the notary.
    • The lawyer asked her assistant to act as an attestor for the will.
    • Without a valid attestor, the contract cannot be legally binding.
  2. A person who gives evidence or testifies to the truth of something.
    • The historian acted as an attestor for the authenticity of the ancient manuscript.
    • She served as an attestor to the accuracy of the financial report.
    • Several attestors confirmed that the event had taken place as described.
What does "attestor" mean? | whatsthatwordmean | whatsthatwordmean