Registered, engrossed.

Registered, recorded. Frequently as past participle. Also figurative.

Matriculated. Obsolete.

Enrolled, registered; appointed.

Recorded; officially set down, esp. in a book or list.

Placed on permanent record.

Admitted by enrolment, esp. as a student of a university; (chiefly South African) that has passed a matriculation examination.

That has been entered. That has been put in; spec. registered; initiated (cf. well-entered, adj.).

Registered in advance; (Printing) brought into alignment beforehand (cf. register, v. 5b).