Verb
matriculate

1. (transitive) To enroll as a member of a body, especially of a college or university.
2. (transitive, by extension, often with to) To join or enter (a group, body, category of people, etc.).
3. (intransitive, stative) To be enrolled as a member of a body, especially of a college or university.

(third-person singular simple present matriculates, present participle matriculating, simple past and past participle matriculated)

Noun
matriculate (plural matriculates)

1. A person admitted to membership in a society.
   Synonym: matriculant