The phrase "indirectly acknowledging" is correct and usable in written English.
You can use it when you are trying to indicate that someone, while not explicitly giving recognition, is passively admitting the truth or importance of something. For example, "The senator indirectly acknowledged the importance of the measure by voting in favor of its passage."
Mr. White said that the way Blass presented himself, his homes and his life -- only indirectly acknowledging his private life as a gay man -- was reminiscent of Proust's Baron de Charlus, a staunch retired military man.
"Everybody wants to be the last team standing, but in many ways this group may have even overachieved," Spurs Coach Gregg Popovich said, perhaps indirectly acknowledging that his team's time as a serious title contender may be over.
She has done her work, and indirectly acknowledges some of the many writers who have preceded her.
Mr. Martel indirectly acknowledges his debt to Dr. Scliar in an author's note in "Life of Pi" in which he thanks him for "the spark of life".
He indirectly acknowledged, however, that Asia's trade agenda has slowed dramatically, especially after the 1997 financial crisis and the collapse of global trade talks in Seattle late last year.
Nowadays, as he indirectly acknowledged in other parts of his set, Jerry himself is getting very close to the oldster time of life.
By stepping back from a threshold that he now says is misleading, Mr. Bernanke indirectly acknowledged just how weak the job market remained, many economists said.
He indirectly acknowledged some abuses, saying "during political struggles some people can't control themselves," but distanced himself personally from any wrongdoing by asserting: "I'm a good person.
Like the artist's self-portrait in the catalogue with its demure glance away from the camera, these images indirectly acknowledge the gaze of the viewer yet never submit to the collective ownership of an audience.
In that sense, it must be pointed out that the Philharmonic also played a role in derailing its own hopes for a recording agreement, as Mr. Kaufman indirectly acknowledged.
President Leonid Kuchma, in comments to reporters in Kiev, indirectly acknowledged that a stray missile from a Ukrainian military training exercise had shot down the plane, saying that mistakes happen everywhere.
