8
passe-partout(noun, instrumentality)
7
master key(noun, expression, idiom, key, instrumentality)
6
key(noun, twist, item, wad, button)
5
opener(noun, twist, screw, wad, button)
3
latchkey(noun, twist, screw, wad, button)
3
master
3
skeleton key(noun, expression, idiom)
2
captain
2
corkscrew(noun, twist, wad, latchkey)
2
headmaster
2
lord
2
maestro
2
open sesame(expression, idiom, indication)
2
original
2
overlord
1
catchword
1
credentials
1
pass
1
password(indication, instrumentality)
1
professional
11 years ago|1.6k views|share |citing 
APASmart Define. (2015). passkey thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/passkey/thesaurus/synonyms
ChicagoSmart Define. 2015. "passkey thesaurus" https://smartdefine.org/passkey/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, passkey thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/passkey/thesaurus/synonyms>.
MLASmart Define. "passkey thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/passkey/thesaurus/synonyms>