admission

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The act of admitting or allowing to enter.
• noun The right to enter or be accepted.
• noun The price required or paid for entering; an entrance fee.
• noun The people admitted, as to an institution.
• noun A disclosure or confession, as of having made a mistake or done something wrong.
• noun A voluntary acknowledgment of a fact or truth; a concession.
• noun Law A statement against one's personal interests that can be used as evidence in a law case.

from The Century Dictionary.

• noun Specifically, in engineering: Entrance of motor fluid (as steam, air, or water) into a cylinder for the purpose of driving a piston.
• noun The portion of a full traverse of a piston during which the motor fluid is allowed to enter the cylinder.
• noun The point in the traverse at which such entrance of motor fluid begins.
• noun The act of admitting or allowing to enter; the state of being admitted; entrance afforded by permission, by provision or existence of means, or by the removal of obstacles: as, the admission of aliens into a country; the admission of light into a room by a window or by opening the window.
• noun Admittance; power or permission to enter; entrance; access; power to approach: as, to grant a person admission.
• noun The price paid for entrance; admission fee: as, the admission was one dollar.
• noun Eccles.: In the Church of England, an act of a bishop accepting a candidate presented to a benefice.
• noun In the Presbyterian churches, especially in Scotland, a similar official act of a presbytery admitting a minister to his church.
• noun The act of expressing assent to an argument or proposition, especially one urged by an opponent or adversary; hence, a point or statement admitted; concession; allowance: as, this admission lost him the argument.
• noun Acknowledgment; confession of a charge, an error, or a crime: as, he made full admission of his guilt.
• noun In law: A voluntary acknowledgment that something is true.
• noun The act of receiving evidence offered upon a judicial investigation, as competent for consideration in reaching a decision.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act or practice of admitting.
• noun Power or permission to enter; admittance; entrance; access; power to approach.
• noun The granting of an argument or position not fully proved; the act of acknowledging something �serted; acknowledgment; concession.
• noun (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.
• noun A fact, point, or statement admitted.
• noun (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The act or practice of admitting.
• noun Power or permission to enter; admittance; entrance; access; power to approach.
• noun The granting of an argument or position not fully proved; the act of acknowledging something asserted; acknowledgment; concession.
• noun 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.
• noun A fact, point, or statement admitted; as, admission made out of court are received in evidence
• noun UK, ecclesiastical 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.
• noun The cost or fee associated with attendance or entry.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the fee charged for admission
• noun an acknowledgment of the truth of something
• noun the right to enter
• noun the act of admitting someone to enter