The phrase "a substantial confirmation" is correct and usable in written English.
It can be used when referring to a significant or important verification or validation of information or a claim.
Example: "The research findings provided a substantial confirmation of the theory proposed by the scientists."
Alternatives: "a significant validation" or "a considerable affirmation."
Their discovery provided substantial confirmation of the general CMB predictions: the radiation was found to be consistent with an almost perfect black body spectrum in all directions; this spectrum has been redshifted by the expansion of the Universe, and today corresponds to approximately 2.725 K.
In Mexico, there was a substantial increase in pertussis confirmations when PCR testing was implemented [ 26].
The trust was also keen to quote from an ICM poll showing high levels of respect and admiration for the BBC: but was less interested in the same poll's confirmation that a substantial majority would rather the BBC was not funded by the licence fee.
It is confirmation that a substantial portion of the planet's original atmosphere has escaped into space.
Whatever else the court's 5-to-4 majority achieved, the result removed the breathlessly awaited case of Ricci v. DeStefano as a substantial issue in the imminent Supreme Court confirmation hearing for Judge Sonia Sotomayor.
One lady telephoned the paper in a state of high excitement, but it turned out that she was not so much alarmed as she was elated over confirmation by such a substantial authority of a conclusion she had reached, through certain horoscopic research, that N. Y. was to be visited by some sort of appalling calamity during the first week of August.
This method suffers from a substantial rate of false positives and confirmation from another method is usually considered necessary.
Mr. Estrada's supporters picked up one new Democrat on Tuesday as Senator Bill Nelson of Florida, a state with a substantial Hispanic population, said he would vote for confirmation.
"This is molecular confirmation that birds do have a substantial repertoire of olfactory receptors," says Scott Edwards, an evolutionary biologist at Harvard University.
The result is a substantial reduction in the waiting time for laboratory confirmation.
