1. to register or sign up for a course, program, or organization
2. to officially add someone’s name to a list or register

Examples

• Students must enroll in classes before the semester begins.
• She decided to enroll in a cooking class.
• The school will enroll 200 new students this fall.
• You can enroll online or visit the office in person.
• Parents need to enroll their children in kindergarten by March.
• The company enrolled all employees in the health insurance plan.
• He enrolled at the university to study engineering.