1. To support, maintain, or defend the terms and conditions of a contract; to ensure compliance with contractual obligations
The company is committed to upholding the contract with its suppliers.
A empresa está comprometida em manter o contrato com seus fornecedores.
2. To validate or confirm the legality and enforceability of a contract
The court upheld the contract despite the defendant's objections.
O tribunal manteve o contrato apesar das objeções do réu.