permission
nounUK /pəˈmɪʃ.ən/
US /pɚˈmɪʃ.ən/
When someone says it is okay for you to do something.
You need permission from your teacher to leave the classroom.
OTHER MEANINGS
2. An official document that lets you do something.
He showed his permission slip before joining the school trip.
3. The act of allowing something to happen.
The city gave permission for the new park to be built.
4. The right to enter or use a place.
Only staff with permission can enter the lab.