Example: "He admitted his errors"
Example: "The program committee acknowledged the submission of the authors of the paper"
Example: "He never acknowledges his colleagues when they run into him in the hallway"
Example: "We must acknowledge the kindness she showed towards us"
Example: "Acknowledge the deed"
Example: "The crown prince was acknowledged as the true heir to the throne"
The act of acknowledging something.
That acknowledges, in various sense; (especially) that notices or recognises someone or something.
(specifically) expressing esteem or gratitude.