an open sesame

an open sesame

a very successful way of achieving something
Usage notes: 'Open Sesame' are the magic words used by Ali Baba in the story Tales of the Arabian Nights to open the door of the place where the thieves are hiding.
(usually + to ) A science degree can be an open sesame to a job in almost any field.
See also: open
References in periodicals archive ?
He presided over deeply unpopular bungled reforms which heralded rising waiting lists, 20billion [pounds sterling] cuts to services, job losses to thousands of nurses and other health workers, installed an expensive, needless bureaucracy and announced an open sesame to the private firms which put profit before patient care.
It is an open sesame to untold riches as Mike Weir, school winner two years ago, proved when he picked up the $1m first prize at Valderrama earlier this month.
For Mister, far from making him feel badly, his wife's passivity was an open sesame to even more abuse.
An Open Sesame For Consumers And Businesses Source: eDOORWAYS Corporation