noun
permission
per-MISH-uhn/pərˈmɪʃn/
Approval to do or access something.
The parent gives permission by handing over the car keys.

Etymology
The underlying image is “letting pass” or “letting go,” extended to allowing something to happen. The action noun names that allowing: granting someone leave or authorization to act.
In context
Consent is giving permission for something to happen. The three types are implied, verbal, and written.
More examples
- She asked permission to enter the archive.
- They received permission to use the hall.
- He did not have permission to copy the files.
Forms
permission
permit verb — Allow someone to do something.
Similar words
- approval
- A favorable decision that may grant permission.
- authorization
- Formal permission or authority to act.