enroll

This term carries a formal, administrative tone, evoking the image of a name being added to an official ledger or digital database. It implies a transition from an outsider to an authorized member of an institution, often involving a contractual or legal commitment. In North American English, the spelling is typically "enroll," whereas British English often uses "enrol." The word is used both for the act of the institution admitting a person and the act of the individual seeking admission.