"longstanding dream" is a correct and usable part of a sentence in written English.
It can be used when describing a dream or desire that has existed for a long time or has been held onto for a significant period of time. Example: "Winning an Olympic gold medal was a longstanding dream of hers; she had been training and working towards it since she was a child."
We all fantasize about vocational revolution, stepping outside of the present to pursue some longstanding dream.
This summer, in July, I fulfilled a longstanding dream -- an Atlantic crossing on the QE2.
That year, John Huston fulfilled a longstanding dream when he directed "Freud".
The promise is that robots will enable heart surgeons to fulfill their longstanding dream of less invasive, less traumatic operations.
In 1990, acting on a longstanding dream of becoming a writer, moved to Hollywood and quickly found work.
It was his longstanding dream to leave Star Lake, N.Y., population 860, for something a little bigger.
Once again the Republicans have found themselves in the peculiar position of possessing total control of the elected branches of the federal government, yet unable to act on one of their longstanding dreams: not just slowly destroying Medicaid, a federal program that guarantees healthcare to millions of poorer people, but also forcing people to rely upon the free market for their healthcare.
Once the holiest city in Southeast Asia, it is now a place for the Chowdhurys of the world to dream of steel bridges, or for travelers like myself to follow their own longstanding dreams and to walk quietly in a place where the spirit of Buddha once ruled.
It was the fulfillment of a longstanding, secret dream.
At the time, it seemed like the fulfilment of a longstanding Conservative dream, first spoken about in the 1930s, of creating a "property-owning democracy".
If all goes according to plan, Blade Rave promises to fulfill a longstanding, bloodthirsty dream of many comic addicts and ravers alike.
