Adopt (verb)

1. Choose to take up, follow, or use.
2. Take and rear (another"s child) as one"s own child.
3. Formally take on or take responsibility for.
4. Choose and follow a particular attitude or way of behaving.
5. Formally accept or take on (a proposal or report).

Origin:

Late middle english: from latin adoptare, from ad- "to" + optare "choose".

Examples:

1. They adopted a new policy.
2. She adopted the child from an orphanage.
3. He adopted a new name when he became an actor.
4. The company adopted the new technology.
5. The council adopted the report.