| verb | declare to be true or admit the existence or reality or truth of “He admitted his errors” |
| verb | report the receipt of “The program committee acknowledged the submission of the authors of the paper” |
| verb | express recognition of the presence or existence of, or acquaintance with “He never acknowledges his colleagues when they run into him in the hallway” |
| verb | express obligation, thanks, or gratitude for “We must acknowledge the kindness she showed towards us” |
| verb | accept as legally binding and valid “acknowledge the deed” |
| verb | accept (someone) to be what is claimed or accept his power and authority “The Crown Prince was acknowledged as the true heir to the throne” |
| admission | noun | an acknowledgment of the truth of something |
| acknowledgeable | adjective | capable of being acknowledged |
| acknowledgment | noun | the state or quality of being recognized or acknowledged |
| receipt | noun | an acknowledgment (usually tangible) that payment has been made |
| notice | noun | polite or favorable attention |