Passkeys [noun]
Definition of Passkeys:
item that unlocks
Sentence/Example of Passkeys:
Gold was the only passkey to justice, to preferment, or to power.
The door was opened with a passkey and Paul confronted the party.
I'll bet that if you do the conductor either has a passkey or will break it down for me.
As soon as they had explained what they wanted, the landlord got a passkey and took them to the room Holt had used.
Mr. Montgomery ascended the steps in a jaunty way, and, opening the door with a passkey, ascended the front staircase.