Permission (noun)

1. The act of allowing or consenting to something.
2. An authorization to do something.
3. The right or ability to do something.

Origin:

Late middle english: from old french permission, from latin permission- "permission", from the verb permittere (see permit).

Examples:

1. He asked for permission to leave early.
2. She got permission to use the car.
3. The teacher gave permission for the field trip.
4. He was granted permission to enter the country.
5. She asked for permission to speak.