admittance
noun
[ ədˈmɪt(ə)ns ]
• the process or fact of entering or being allowed to enter a place or institution.
• "people were unable to gain admittance to the hall"
Similar:
entry,
right of entry,
permission to enter,
admission,
entrance,
access,
right of access,
ingress,
entrée,
acceptance,
• a measure of electrical conduction, numerically equal to the reciprocal of the impedance.