The act of acknowledging
The act of recognizing in a particular character or relationship; recognition of existence, authority, truth, or genuineness.
A reward or other expression or token of gratitude.
An expression of gratitude for a benefit or an obligation.
A message from the addressee informing the originator that the originator's communication has been received and understood.
A response (ACK) sent by a receiver to indicate successful receipt of a transmission (See Wikipedia article on transmission).
A recognition as genuine or valid; an avowing or admission in legal form.
The act of a person admitting a child as their own.
A formal statement or document recognizing the fulfillment or execution of a legal requirement or procedure.