D defs.my
Entry 1 sense Webster, 1913

Compos mentis

· Com·pos men·tis · IPA /ˈkɒmpɒs ˈmɛntɪs/
01 a. Sane in mind; being of sound mind, memory, and understanding.
  1. 1.
    Sane in mind; being of sound mind, memory, and understanding.(Law)