Nouns

(n)adoption, acceptance, acceptation, espousalthe act of accepting with approval; favorable reception“its adoption by society”, “the proposal found wide acceptance”
(n)adoptiona 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)
(n)borrowing, adoptionthe appropriation (of ideas or words etc.) from another source“the borrowing of ancient motifs was very apparent”