1. Official or legal agreement, approval, or permission given in a formal manner, typically in writing or through official channels
The board requires formal consent from all shareholders before proceeding with the merger.
O conselho exige assentimento formal de todos os acionistas antes de prosseguir com a fusão.
2. An official acknowledgment or ratification of a decision, proposal, or agreement
The government gave its formal consent to the international treaty.
O governo deu seu assentimento formal ao tratado internacional.