substantiateglossary / SUBSTANTIATE substantiate, vb. To establish the existence or truth of (a fact, etc.), esp. by competent evidence; to verify. 词条贡献者 双语律师Jerry,毕业于一所培养最顶级翻译人才的语言学院,擅长翻译各类与欧洲隐私及安全法相关的法律文件。