The phrase "are designed to forestall" is correct and usable in written English.
It can be used when discussing measures or actions intended to prevent or delay something from happening.
Example: "The new policies are designed to forestall any potential issues that may arise during the project."
Alternatives: "are intended to prevent" or "are meant to avert".
In the prize-winning article, the author found that managers who believe their organization has formal mechanisms to ensure meritocracy are more likely to display the biases that such systems are designed to forestall.
In theory, American sanctions on Iran, which are designed to forestall Iran's nuclear program, made it illegal for American NGOs to join the relief effort by sending aid.
But their calls for reform, like Gorbachev's attempt to reform the Soviet system, can probably only be achieved by the regime's collapse, which is what the trials are designed to forestall.
Thus the process has produced the one outcome it was designed to forestall.
Haiti's political system was designed to forestall strongmen, and as such, gives parliament a lot of power.
Both earlier measures had been designed to forestall armed thieves, but the neighborhood has seen sharp declines in crime since the 1990s.
The action may have been designed to forestall a potentially adverse ruling by the federal appeals court in Cincinnati, which had scheduled oral arguments on the case for today.
Clearly, this use of an ethnic/religious label provoked strong feelings based on a long history of strong feelings — exactly the kind of reaction that The Times's policy is designed to forestall.
But, in the following days, Trump made comments to Lester Holt, of NBC News, and to a group of Russian diplomats, in the Oval Office, to the effect that the firing was designed to forestall the Russia investigation — and thus constitutes a possible obstruction of justice.
In fact, one suspects that the PR release of this "confession" (and the news that, while he was writing the book, Irving did at last find out who his father was) is designed to forestall the criticism such a dreadful, though clearly heartfelt, mess like this deserves".
Everything leaders do to grow a business is designed to forestall the day when that growth stops.
