1. To take by choice into relationship, child, heir, friend, citizen, etc.
  2. To take voluntarily (a child of other parents) to be in the place of, or as, one's own child.
    A friend of mine recently adopted a Chinese baby girl found on the streets of Beijing.
  3. To obtain (a pet) from a shelter or the wild.
    We're going to adopt a Dalmatian.
  4. To take by choice into the scope of one's responsibility.
    This supermarket chain adopts several families every Yuletide, providing them with money and groceries for the holidays.
  5. To take or receive as one's own what is not so naturally.
  6. To select and take or approve.
    to adopt the view or policy of another
    These resolutions were adopted.

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