The phrase "a considerable merit" is correct and usable in written English.
It can be used when discussing the significant value or advantage of something, often in a formal or academic context.
Example: "The research presented in this paper demonstrates a considerable merit in understanding the effects of climate change on biodiversity."
Alternatives: "a significant advantage" or "a notable benefit."
From a biological perspective, such a strategy has considerable merit.
Marini is a man of considerable merit, but he is also eighty years old, and as a candidate chosen through a back-room deal with Berlusconi he represented exactly the old-fashioned politics-as-usual that Bersani had promised to avoid.
Data so often thought of in subjective terms (the quality of light or nuance of expression is not easily quantified) was organized into a system and produced a synthetic painting of considerable merit, and probably, now that it has done it once, could do so a dozen more times with relative ease.
The concept of stimulating the housing market, within reason, as a way of boosting what was a moribund economy has considerable merit.
Although Frankham (2008) recently acknowledged that such a fragmentation regime had considerable merit, he did not recommend its application, perhaps because of the limited research on the subject.
But the official, acting Assistant Attorney General Elana Tyrangiel, also said that while the idea of requiring a warrant for email has "considerable merit," Congress should also consider special cases in which a subpoena could be required instead, such as non-criminal civil rights and antitrust investigations.
There is an appealing insouciance and considerable merit in that attitude.
Although his memoirs are better known, he also left a volume of verses of considerable merit.
As a policy recommendation there is considerable merit in integrating islands of greenery in urban development because of their attractiveness for many types of arboreal birds, besides undertaking new plantation and habitat management programs.
Therefore, we conclude that, from a mobility standpoint, there is considerable merit to intra-regional evacuation.
