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 双语律师Natalie,毕业于法国一流的高级翻译学院,擅长翻译各类与监管与政府事务相关的法律文件。