bona gratiaglossary / BONA GRATIA bona gratia (boh-n[schwa] gray-shee-[schwa]). [Latin] Roman law. In goodwill; in a friendly way. • The phrase typically referred to a divorce by mutual consent. 词条贡献者 双语律师Terence,国际知名法学院法律专业,擅长翻译各类与油气、资源与采矿业相关的法律文件。