The phrase "a powerful value" is correct and usable in written English.
It can be used when discussing the significance or importance of a particular value in a specific context, such as ethics, business, or personal beliefs.
Example: "Integrity is a powerful value that can guide our decisions and actions in both personal and professional life."
Alternatives: "a significant value" or "a strong value."
They set up a powerful value exchange: "Help us sell more ads, and we'll give you a cut".
While you'll note some trade-offs in terms of the size and weight of the device versus the trend towards ever-slimmer, lighter gadgets, it's a powerful tablet, and a powerful value proposition, even if gaming isn't your central concern.
Causing you to see things differently -- whether you tend to be liberal or conservative -- is a powerful value of travel.
Richard Kirsch the Director of Our Story – The Hub for American Narratives, which works with progressives on how to tell a powerful, value-based story about our core beliefs.
Working for the government in Washington, at least among justices appointed by Republican presidents, has a powerful predictive value.
The very idea of living in a residential neighborhood where other people have to pay to enter may have a powerful symbolic value over time.
When combined with a powerful, high value cloud infrastructure-as-a-service built on open standards, the scope, speed and scalability of deploying these solutions is magnified.
But even as evolving technology gives people more power to reconstruct their personal histories, those old, unretouched photographs in their family album retain a powerful psychological value.
There's a powerful, implicit value in information shared between friends that Facebook exploits, but it accelerates the spread of misinformation as much as it does good content.
That will be a powerful motivating value at this election," he says.
Remarkably, the gene expression set was found to have a powerful prognostic value in human prostate and breast cancer.
