Enrol/ɪnˈrəʊl/ Definition 1 of 3Pro Tip 1/3Personal Initiative Use 'enrol' to show a personal decision to join a course or program. After considering her options, she enrolled in an online writing course. Pro Tip 2/3Starting Point 'Enrol' is usually the first step in a learning journey. Before attending the lectures, you need to enrol. Pro Tip 3/3Commitment Enrolling implies commitment to attend and complete a course. By enrolling in the seminar, he committed to participate fully.