The term CERTIFY, AS A DOCUMENT can be defined as the process of notarizing a document. Notarizing is a process in which a notary public, a public official appointed by the government, verifies the authenticity of a document and its signatories. This process is often used to authenticate legal documents such as contracts, wills, and deeds. The notary public will typically ask for identification from the signatories and then affix their signature and seal to the document. This process is important for ensuring that documents are legally binding and valid.