compos mentisglossary / COMPOS MENTIS compos mentis (kom-p[schwa]s men-tis), adj. [Latin “master of one’s mind”] Of sound mind; having use of and control over one’s own mental faculties. Cf. NON COMPOS MENTIS. [Cases: Mental Health3. 1.] 词条贡献者 资深译员Betty,毕业于亚洲一流的高级翻译学院,专注翻译各种与商业移民有关的法律文件。