noun
plural -sions
[noncount] :the act of admitting or allowing something
[count] :a statement or action by which someone admits a weakness, fault, etc.
[noncount] :the right or permission to enter a place
[noncount] :the right or permission to join a club, group, etc.
the act or process of accepting a patient in a hospital for treatment [noncount]
the act or process of accepting someone as a student at a school [noncount]
the cost of entering a theater, sports stadium, museum, etc. [noncount]