A message from the addressee informing the originator that the originator's communication has been received and understood, as a wedding invitation's acknowledgment
A formal statement or document recognizing the fulfillment or execution of a legal requirement or procedure
{i} act of recognizing or admitting; certification; recognition of a gift, expression of thanks
A declaration or avowal of ones own act, to give it legal validity; as, the acknowledgment of a deed before a proper officer. Also, the certificate of the officer attesting such declaration