adoption Definition

adopt
verb adopted, adopting

tr & intr
1. To take (a child of other parents) into one's own family, becoming its legal parent.

Thesaurus: take in, support, foster, father, mother, bring up, raise, rear.
2. To take up (a habit, position, policy, etc).

Thesaurus: embrace, appropriate, endorse, sanction, approve, accept, back, espouse, hold, take as one's own.
3. To take (an idea, etc) over from someone else.
4. To choose formally (especially a candidate for an election).
5. Said of a local authority: to take over responsibility for the upkeep of (a road) from private owners.

Derivative: adopted
adj

Derivative: adoption
noun

Etymology: 16c: from Latin adoptare, from optare to choose.

Info:

These words are sometimes confused with each other: adopted children are adopted by their adoptive parents.