The term admission has the following meanings:
The act of admitting to something. Any statement or assertion made by a party to a case and offered against that party; a voluntary acknowledgment made by a party to a lawsuit or in a criminal prosecution that certain facts that are inconsistent with the party's claims in the controversy are true. An admission may be express, such as a written or verbal statement by a person concerning the truth, or it may be implied by a person's conduct. An admission is not the same as a confession. A confession is an acknowledgment of guilt in a criminal case. Admissions are used primarily as a method of discovery, as a pleading device, and as evidence in a trial.
Acceptance of a lawyer by any established licensing authority like the state bar association as a member of the practicing bar. Usually a lawyer is admitted to the bar after s/he passes a bar examination and supplies adequate character references. It can also refer to entry of a lawyer on the rolls of an integrated bar- admission to practice law.
Under patent laws, this refers to a concession or representation by a patent applicant that an activity, knowledge or publication is prior art. An admission requires the U.S. Patent and trademark officer to consider the item or art as prior art even if does not qualify as prior art.