The phrase "a critical reason" is correct and usable in written English.
It can be used when emphasizing the importance of a specific reason in a discussion or argument.
Example: "The lack of funding was a critical reason for the project's failure."
Alternatives: "a key reason" or "an essential reason".
And they say quality-control lapses, like those some workers mentioned, could be a critical reason tire treads shear off.
And it is a critical reason why, to get into the middle class now, you have to study harder, work smarter and adapt quicker than ever before.
A critical reason for the growth in manufacturing is that many factories are letting their stockpiles shrink at a slower rate than they had previously.
A critical reason for choosing lupin is that it thrives in temperate to cool climates and can be grown locally in Europe, Mr. Korteweg said in an interview.
A critical reason that liberals have been losing is that they foolishly presumed that the big arguments were so well won that they didn't need to fight for them.
The form is part of a process required under federal law that tries to ensure that juries do not make arbitrary and capricious decisions on executions, a critical reason that earlier death penalty laws were invalidated.
Aside from servicing and selling new vehicles, as well as building relationships with customers, there's a rather obscure but critical reason that dealerships survive in an online age.
In a similar way, Voltaire remains today an iconic hero for everyone who sees a positive linkage between critical reason and political resistance in projects of progressive, modernizing reform.
Nussbaum notes that many distrust invocations of patriotism, which can be at once jingoistic and militaristic, and prefer a public rhetoric that emphasizes "critical reason," the ability of citizens to "think for themselves" rather than in herds.
Public philosophic campaigns such as these that channeled critical reason in a direct, oppositionalist way against the perceived injustices and absurdities of Old Regime life were the hallmark of philosophie as Voltaire understood the term.
In these cases, Voltaire's skepticism was harnessed to his libertarian convictions through his continual effort to use critical reason as a solvent for these "superstitions" and the authority they anchored.
