1. A response or answer that is supported by solid reasoning, evidence, facts, or logical arguments
The researcher provided a well-substantiated response to the criticism by citing multiple peer-reviewed studies.
O pesquisador forneceu uma resposta fundamentada à crítica citando vários estudos revisados por pares.
2. An answer that is justified and based on valid grounds or justification
The judge demanded a substantiated response from the defendant explaining their actions.
O juiz exigiu uma resposta fundamentada do réu explicando suas ações.