adoption

(noun) the act of accepting with approval; favorable reception. Synonyms: acceptance, acceptation, espousal. Examples: "Its adoption by society." "The proposal found wide acceptance."

(noun) a legal proceeding that creates a parent-child relation between persons not related by blood; the adopted child is entitled to all privileges belonging to a natural child of the adoptive parents (including the right to inherit).

(noun) the appropriation (of ideas or words etc) from another source. Synonyms: borrowing. Example: "The borrowing of ancient motifs was very apparent."