A friend acknowledges early in his search: "This is not about solving a crime.
Some friends acknowledge each other with exchanges of gifts and cards on this day.
My old fat friend acknowledged me with a nod of the head.
His family and friends acknowledge that he has become more of a revered monument to the past than a force in today's political world.
Of course, his stoic friend would never acknowledge that openly.
But to know him is not necessarily to love him, even his friends acknowledge.
There was a hint of chastened triumph as the friend acknowledged his ignorance.
Even his friends acknowledge that he was in bed with a prostitute.
These "friends" had not acknowledged the luck factor, and pointed out that another car of men had been needed to ensure success.
But his family and friends also acknowledge that Lawrence was a drug dealer.