1. An official certification or authentication added to a document to verify its origin, typically used for international legal or official documents.
Usage: Legal/administrative term; Often capitalized when referring to the Hague Apostille Convention

Examples

• The university issued an apostille on the diploma to make it valid for use abroad.
• Many countries require an apostille on birth certificates for immigration purposes.
• She obtained an apostille from the Secretary of State's office to authenticate her legal documents.
• The apostille serves as proof that the signature on the document is genuine.
• International adoption agencies often request an apostille on all official paperwork.
• Without an apostille, the foreign court would not accept the American legal document.