Definitionen
1.NounThe act of adopting.
2.NounThe state of being adopted; the acceptance of a child of other parents as if they were one's own child."A Chinese baby girl was given away for adoption.; Another Chinese boy was put up for adoption."
3.NounAn admission to an institution, for example a hospital, clinic, mental asylum."the adoption of people into hospitals or monasteries"
4.NounThe choosing and making that to be one's own which originally was not so; acceptance."the adoption of opinions; the adoption of words from another language; Our company is considering the adoption of a four-day week."
5.NounThe act of accepting and putting into effect or practice (a method, proposal, technique, etc.)"Our company is considering the adoption of a four-day week."
6.NounThe transfer from an old system to another (usually better) system. (Can we add an example for this sense?)
7.NounAn act of divine grace by which the redeemed in Christ are admitted to the privileges of the sons of God.
8.NounTen consecutive wins against an opponent."Infuriated by his adoption yesterday, the chess master has resolved to study twice as long and twice as hard."