the act of acknowledging

act of recognizing authority or truth of something

the act of adopting or being adopted

choosing or taking something as one's own

(an act of) feeling, showing or saying, that one is satisfied, that something is right, that one agrees

authorization

the right or permission given by authority to do something; an action used against a person, country etc breaking a rule of acceptable moral behaviour, a law etc

authorization

a large sea-animal with short fur and wide flippers; a piece of wax, lead etc stamped with a design, attached to a document to show that it is genuine, or to a letter, packet, box, bottle, door etc to show that it has not been opened; something used to make an opening airtight or watertight

authentication; stamp