The phrase "acknowledged signs" is correct and usable in written English.
It can be used when referring to signs or indicators that have been recognized or accepted in a particular context.
Example: "The researchers noted several acknowledged signs of climate change in their study."
Alternatives: "recognized indicators" or "accepted signals".
However, the US president also acknowledged signs of progress in Indian society, pointing to the symbolic choice of a woman military officer to lead the honour guard on his arrival and to Modi's humble background as a tea-seller as sign of how India has become more socially mobile.
CFO Crittenden acknowledged signs of weakness in global consumer credit, particularly in Brazil, India and Mexico.
The Federal Reserve's minutes from its latest monetary policy gathering acknowledged signs that the recession is easing, but still painted a somber outlook for the rest of the year.
Intensified cyanobacterial nuisance blooms and low Secchi depth (water clarity) are two obvious and widely acknowledged signs of eutrophication in the area.
Negotiated by a coalition of state attorneys general and federal agencies, the settlement arose from an investigation into the "robo-signing" scandal, in which servicers acknowledged signing off on thousands of foreclosure documents without verifying their accuracy.
The Yankees have also acknowledged signing infielder Tyler Houston and outfielder Darren Bragg.
Mr. Menem, 82, who served two terms as president from 1989 to 1999, acknowledged signing secret decrees to export weapons to Venezuela and Panama, but said he had no idea that the tons of rifles and ammunition made in Argentina would end up in Ecuador and Croatia.
In one of those cases, a teacher and arts program coordinator was fined $7,500 after she acknowledged signing a form that enabled her husband's company to be paid $3,500 for composing a school song, even though no song had been delivered.
But, the statement said, in its interviews of the mechanics so far, "while all acknowledged signing the letter, none were able to cite specific incidents in which they were aware of an aircraft being returned to service in an unairworthy or unsafe condition".
The claims of bank wrongdoing briefly jostled the housing market, as bank employees acknowledged signing hundreds of forged signatures a day in order to push through foreclosures.
He said he was unaware of the company's donation to the fund until The Times inquired about it, although he acknowledged signing an Ethics Commission disclosure form indicating the contribution came at his "behest".
