(permissions)
Frequency: The word is one of the 3000 most common words in English.
1.
If someone who has authority over you gives you permission to do something, they say that they will allow you to do it.
He asked permission to leave the room...
Finally his mother relented and gave permission for her youngest son to marry...
They cannot leave the country without permission.
N-UNCOUNT: oft N to-inf, N for n to-inf, N for n
2.
A permission is a formal, written statement from an official group or place allowing you to do something.
...oil exploration permissions.
N-COUNT: usu pl