No one acknowledged her warning; no one seemed to have heard it.
He acknowledged my salute with a nod, and resumed his tour.
"Aunty," Jem spoke up, "Atticus says you can choose your friends but you sho’ can’t choose your family, an’ they’re still kin to you no matter whether you acknowledge ’cause or not, and it makes you look right silly when you don’t."
There are no more uses of "acknowledge" in the book.
Show samples from other sources
She acknowledged that she might have forgotten.
It is important to acknowledge the work of others in one’s own writing.