Answer: MASTERKEY
MASTERKEY is a crossword puzzle answer that we have spotted 9 times.
Referring Clues:
- Super's entrustment
 - It's decisively important to a solution
 - Janitor's need
 - Super item?
 - It lets you into any room
 - Building super's item
 - Super-useful item?
 - It opens all doors
 - Item for building's super
 
Last Seen In:
- New York Times - April 10, 2023
 - New York Times - August 27, 2022
 - USA Today - April 22, 2020
 - Universal - September 19, 2019
 - New York Times - March 16, 2012
 - Washington Post - March 20, 2007
 - King Syndicate - Thomas Joseph - July 10, 2004
 - New York Times - December 27, 2000
 
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