The action or fact of legally taking another's child and bringing it up as one's own. The couple completed the adoption process and welcomed a new member into their family.
The action or fact of choosing to take up, follow, or use something. The adoption of new technology has significantly improved the company's efficiency.
The action or fact of taking an animal, especially a pet from a shelter or rescue, into one’s home as a companion. Shelters encourage the adoption of older dogs as well as puppies.
The state of being adopted, especially as a child. She discovered her adoption when she was eighteen.