/ˌætɛsˈteɪʃәn/ – Noun
Definition: 1. việc xác nhận, việc chứng nhận (tài liệu, chữ ký);
2. lời chứng, lời khai của nhân chứng;
3. lời khai đã được chứng thực (phần tài liệu điều tra của điều tra viên).
A more thorough explanation: Attestation refers to the act of witnessing the signing of a legal document and affirming its authenticity by a person who is authorized to do so, such as a notary public or other official. It involves verifying that the signatures on the document are genuine and that the document was executed in accordance with the law.
Example: The witness provided an attestation confirming that the signature on the document was genuine.