factum of a willglossary / FACTUM OF A WILL factum of a will. The formal ceremony of making a will; a will’s execution by the testator and attestation by the witnesses. 词条贡献者 资深译员Grace,毕业于一所培养最顶级翻译人才的语言学院,擅长翻译各类与商业诉讼及争议相关的法律文件。