Matriculation (noun)

1. The formal process of enrolling as a student in a school, college, or university.
2. The act of being officially admitted to a school, college, or university.

Origin:

Late 16th century: from latin matricula "register", from matrix "list, table".

Examples:

1. The matriculation ceremony marked the beginning of the new students' academic journey.
2. The matriculation process required students to complete various forms and take an entrance exam.
3. Matriculation was a significant milestone for the young man, as it meant he was one step closer to his dream.
4. The matriculation number is used to keep track of students' records and transcripts.
5. Matriculation is often accompanied by a formal event such as a convocation ceremony or a reception.