'aqil

(Arabic: “knowledgeable”), in Islamic law, one who is in full possession of his mental faculties. Such a person is legally responsible for his actions and punishable for any deviation from religious commandments. 'Aqil is often used with the adjective baligh (“grown-up,” or “of age”) in contrast to qasir (“juvenile”). In Islamic law, a qasir cannot qualify as a witness in court without consideration