Compos mentis

//ˈkɒmpɒs ˈmɛntɪs// adj

Definitions

Adjective
  1. 1
    Of sound mind, sane; thus fully accountable (legally and/or morally) for one's deeds. not-comparable

    "‘[…] you have my hearty consent, sir, to marry the girl whensumdever it’s convenient.’ Dame Mayrose finished her speech with a low courtesy, and Tom Sponge sat like a petrified image. ‘For God’s sake, Mrs. Mayrose, are you compos mentis?’ said he. ‘Please your honour, I don’t understand no foreign languages,’ said the good woman, ‘but my darter tells me you want to make proposhalls.’"

Adjective
  1. 1
    of sound mind, memory, and understanding; in law, competent to go to trial wordnet

Etymology

From Latin compos (“in control, having mastery”) + mentis (“of mind”).

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