The phrase "a broad base for" is correct and usable in written English.
It can be used when discussing the foundation or support for an idea, project, or initiative.
Example: "The research provided a broad base for understanding the complexities of climate change."
Alternatives: "a solid foundation for" or "a wide framework for".
While overtly organised to protest the islands transfer, the protests also served as a broad base for anti-government feeling.
The expected strengthening of the hard right in the next parliament may encourage Netanyahu to seek a broad base for his coalition.
Mr. Qurei, a seasoned politician, appeared to be seeking a broad base for his government, one that might bring him greater Palestinian support than Mr. Abbas enjoyed but perhaps less immediate Israeli support.
Fishes have been especially important in the study of animal behaviour, where research on fishes has provided a broad base for the understanding of the more flexible behaviour of the higher vertebrates.
"From a sense of national responsibility and to make possible a broad base for decisive and effective actions by the government to be formed, we want to create a coalition as broad as possible," Mr. de Maiziere said.
Data-gathering from the whole cohort, cross-sectionally over four course settings, contribute to the strength of the study, providing a broad base for validation of scale results.
Mr. Soros's bold ambition was to nurture a broader base for democratic transformation.
It refers to the prevailing notion that stock prices must retrace part of their sharp gains during late May in order to establish a broader base for their next move.
In an effort to consolidate left-wing forces and to create a broader base for opposition to the Christian Democrats, the party changed its name in 1991 to become the Democratic Party of the Left (subsequently shortened in 1998 to Democrats of the Left).
Folk music has continued to maintain its share of wind instruments.With the passing of patronage from royal establishments to the public, then, art music found a broader base for support, while amateur music continued to thrive at its own level.
In a contrasting view, Jonathan Wolff (University College London, UK) provided a broader base for ethical argument.
