"He admitted his errors" "She acknowledged that she might have forgotten"
"The program committee acknowledged the submission of the authors of the paper"
"He never acknowledges his colleagues when they run into him in the hallway" "She acknowledged his complement with a smile" "it is important to acknowledge the work of others in one's own writing"
"We must acknowledge the kindness she showed towards us"
"acknowledge the deed"
"The Crown Prince was acknowledged as the true heir to the throne" "We do not recognize your gods"