Ratify vs Adopt - What's the difference?

In transitive terms the difference between ratify and adopt

is that ratify is to give formal consent to; make officially valid while adopt is to select and take or approve.

(en-verb)

To give formal consent to; make officially valid.

* (give formal consent to): approve

(en verb)

(with relationship specified) To take by choice into relationship, child, heir, friend, citizen, etc.

(with relationship implied by context) 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.

(with relationship implied by context) To obtain (a pet) from a shelter or the wild.

We're going to adopt a Dalmatian.

(with relationship implied by context) 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.

To take or receive as one's own what is not so naturally.(rfex)

* '>citation

To select and take or approve.

to adopt the view or policy of another

These resolutions were adopted .