Enrolling in a course or program is the process of officially registering for it. The term 'enrolled' can be used to describe this process, and there are several words that can be used to describe the same action. To begin with, 'BEGAN' is a five-letter word that means to start or initiate something. 'ADMITTED' is an eight-letter word that means to be accepted into a program or course. 'BEGUN' is another five-letter word that has the same meaning as 'BEGAN'. 'ENTERED' is a seven-letter word that means to join or take part in something. 'Registered' is a ten-letter word that means to officially sign up for something. Lastly, 'signed up' is an eight-letter word that means to enroll in a course or program.