What does admission mean?
The definition of admission
Ad*mis”sion, n.
Etym: [L. admissio: cf. F. admission. See Admit.]

1 The act or practice of admitting.
2 Power or permission to enter; admittance; entrance; access; power to approach. What numbers groan for sad admission there! Young.
3 The granting of an argument or position not fully proved; the act of acknowledging something The too easy admission of doctrines. Macaulay.
4 (Law)
Acquiescence or concurrence in a statement made by another, and distinguishable from a confession in that an admission presupposes prior inquiry by another, but a confession may be made without such inquiry.
5 A fact, point, or statement admitted; as, admission made out of court are received in evidence.
6 (Eng. Eccl. Law)
Declaration of the bishop that he approves of the presentee as a fit person to serve the cure of the church to which he is presented. Shipley.

Synonyms
— Admittance; concession; acknowledgment; concurrence; allowance. See Admittance.