She 'is' widely/generally 'acknowledged' as one of the world's best chefs. [=many people regard her as one of the world's best chefs]
He refuses to 'acknowledge' the authority of the court. [=he denies that the court has authority]
The players 'acknowledged' their fans by waving their hands and blowing kisses into the crowd.
(..) absolutely humiliating Oh, come on. Some battles you win, some battles you lose. Yes, but but you don't have to lose to Kyle Burnsteen Barmistva party. I think we have to acknowledge, those was some fairly savage preadolescent jews. No, we were annihilated by our own incompetence (..)2007 TvShow: The Big Bang Theory Title: The Middle Earth Paradigm Season: 1 Episode 6