Admittance (noun)

1. The act or right of being allowed to enter a place.
2. The permission to participate in an event or activity.
3. The rate at which electric charge or energy is admitted to a circuit or device.

Origin:

Mid 16th century: from french admission, from latin admittentia, from admittere 'admit'.

Examples:

1. Admittance to the concert was by ticket only.
2. Her admittance to the prestigious university was a proud moment for her family.
3. The museum's admittance fee includes access to all exhibitions and audio guides.
4. He was granted admittance to the exclusive club through his father's membership.
5. The admittance of charge into the device was measured in coulombs per second.