A more thorough explanation:

Definition: A commission of lunacy is a legal process to determine whether a person is mentally ill or insane.

This process is also known as de lunatico inquirendo, which is a Latin term meaning "for inquiring about a lunatic." It involves a writ or commission to investigate the mental state of an individual.

For example, if a family member is concerned about the mental health of their loved one, they may request a commission of lunacy to be conducted. The court will appoint a commission to investigate the individual's mental state and determine whether they are capable of managing their own affairs.

Another example is when a person is accused of committing a crime but is found to be mentally incompetent to stand trial. A commission of lunacy may be conducted to determine their mental state and whether they require treatment or confinement in a mental institution.

Overall, a commission of lunacy is a legal process to protect the rights and well-being of individuals who may be mentally ill or insane.