pactionglossary / PACTION paction (pak-sh[schwa]n).1. PACTIO.2. Int’l law. An agreement between two nations to be performed by a single act. 词条贡献者 资深译员Steven,毕业于美国一流的高级翻译学院,专注翻译各种与政府政策有关的法律文件。