Source : Webster's Revised Unabridged Dictionary (1913)

Admission \Ad*mis"sion\, n. [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 ?serted;
      acknowledgment; concession.

            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.

   Syn: Admittance; concession; acknowledgment; concurrence;
        allowance. See {Admittance}.

Source : WordNet®

admission
     n 1: the act of admitting someone to enter; "the surgery was
          performed on his second admission to the clinic" [syn: {admittance}]
     2: an acknowledgment of the truth of something
     3: the fee charged for admission [syn: {entrance fee}, {admission
        charge}, {admission fee}, {admission price}, {price of
        admission}, {entrance money}]