An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

1) To choose or take as one's own; make one's own by selection or assent.
2) To take and rear (the child of other parents) as one's own child, specifically by a formal legal act.
3) To vote to accept (Dictionary.com).

M.E., from M.Fr. adopter, from L. adoptare, from → ad- + optare, → opt.

Baroptidan, on the model of bargozidan "to choose," from bar- "on, up, upon, in," → on-, + optidan, → opt.

The act of adopting. The state of being adopted.

→ adopt; → -tion.

Of or involving adoption. Acquired or related by adoption.

→ adopt; → -ive.