∙ The act of acknowledging; admission; avowal; owning; confession. Britain
∙ The act of owning or recognizing in a particular character or relationship; recognition as regards the existence, authority, truth, or genuineness. Britain
∙ An award or other expression or token of appreciation. Britain
∙ An expression of gratitude. Britain
∙ A message from the addressee informing the originator that the originator's communication has been received and understood. Britain
∙ A response sent by a receiver to indicate successful receipt of a transmission. Britain, telecommunications, computing, networking
∙ The act of a man admitting a child as his own. Britain, law
∙ A formal statement or document recognizing the fulfilment or execution of a legal requirement or procedure. Britain, law