recognition
/ˌre-kig-ˈni-shən/
noun
the action of recognizing : the state of being recognized: such as
acknowledgment; especially : formal acknowledgment of the political existence of a government or nation
knowledge or feeling that someone or something present has been encountered before
noun
recognition of one's own self
the process by which the immune system of an organism distinguishes between the body's own chemicals, cells, and tissues and those of foreign organisms and agents
idiom
to such a degree as to look completely different and be unrecognizable
The renovations changed the house beyond (all) recognition.