1. to maintain, support, or defend a level of quality, principle, or expectation
The company is committed to upholding a standard of excellence in customer service.
A empresa está comprometida em manter um padrão de excelência no atendimento ao cliente.
2. to preserve or keep in effect a rule, norm, or criterion
Teachers must uphold a standard of academic integrity in their classrooms.
Os professores devem manter um padrão de integridade acadêmica em suas salas de aula.