What does adopt mean?
The definition of adopt
A*dopt”, v. t.
[imp. & p. p. Adopted; p. pr. & vb. n. Adopting.]
Etym: [L. adoptare; ad + optare to choose, desire: cf. F. adopter. See Option.]

1 To take by choice into relationship, as, child, heir, friend, citizen, etc. ; esp. to take voluntarily (a child of other parents) to be in the place of, or as, one’s own child.
2 To take or receive as one’s own what is not so naturally; to select and take or approve; as, to adopt the view or policy of another; these resolutions were adopted.