adoption

adoption /əˈdɑːpʃən/ noun
plural adoptions
adoption
/əˈdɑːpʃən/
noun
plural adoptions
Britannica Dictionary definition of ADOPTION
: the act or process of adopting someone or something: such as
a  : the act or process of adopting a child
[noncount]
[count]
b  [noncount] : the act or process of beginning to use something new or different
c  [noncount] : the act or process of giving official acceptance or approval to something