1. An official written record or paper that has legal, administrative, or official significance and follows established conventions and standards
The contract is a formal document that must be signed by both parties.
O contrato é um documento formal que deve ser assinado por ambas as partes.
2. A written communication that adheres to official protocols, proper formatting, and ceremonial language
She submitted a formal document requesting a leave of absence.
Ela apresentou um documento formal solicitando uma licença.