The phrase "a consequential one" is correct and usable in written English.
It can be used to describe something that has significant effects or outcomes, often in a context where the importance of the subject is being emphasized.
Example: "The decision to invest in renewable energy was a consequential one for the future of our planet."
Alternatives: "a significant one" or "an important one".
As noted, the decision about retaining the brand of an acquired company and continuing to leverage its equity is a consequential one, driven by a multitude of corporate considerations.
Having almost singlehandedly made the position of Senate majority leader a consequential one, he was better prepared than most presidents to deal with Congress from day one.
While that isn't an enormous difference in an absolute sense, it is a consequential one.
This was an amnesty, and a very consequential one.
Yet the beefcake-wonk story masks a more consequential one, about his place in a long-running war of ideas within the Republican Party.
That the GOP has now taken control of the Senate marks a substantial change in terms of leadership but not a particularly consequential one in terms of legislation.
As far as life and death decisions go, there couldn't be a more consequential one for society.
The competitors had already stepped onto a scale at a smaller, private weigh-in, which was quiet but consequential: one of them, Kelvin Gastelum, had been too heavy, and his fight against Donald (Cowboy) Cerrone had been cancelled.
Much of the press event, not unlike most press events, was 100percentt spin, though a few interesting developments — and one deeply consequential one — did emerge.
Nevertheless, "A Civil Action" is a consequential work, one deserving of attention.
Mr. Bush, they add, sees himself as "a national clarifier," someone who regards dividing the electorate as "an acceptable avenue to a consequential presidency, one that would make the country's policies and institutions more conservative than they had been for generations".
