Admission is permission given to a person to enter a place, or permission given to a country to enter an organization. Admission is also the act of entering a place.

Admissions to a place such as a school or university are the people who are allowed to enter or join it.

Admission at a park, museum, or other place is the amount of money that you pay to enter it.

An admission is a statement that something bad, unpleasant, or embarrassing is true.