open sesame

1 ENTRIES FOUND:
open sesame noun
open sesame
noun
Britannica Dictionary definition of OPEN SESAME
[singular]
: something that allows a person or thing to do or enter something successfully and easily
◊ Open sesame comes from the story Ali Baba and the Forty Thieves, in which Ali Baba uses the magical command “open sesame” to open the door of the thieves' cave.