I.an adopting, receiving as a child, υἱοθεσία: “quid propagatio nominis, quid adoptationes filiorum,” Cic. Tusc. 1, 14, 31: “adoptatio Theophani agitata est,” id. Balb. 25, 57: “ipsum illum adoptatione in regnum pervenisse,” Sall. J. 11, 6: quod per praetorem fit, adoptatio dicitur; “quod per populum, arrogatio,” Gell. 5, 19; Tert. adv. Gent. 2, 1.
ădoptātĭo , ōnis, f. id.; access. form of adoptio, by which it was supplanted after the class. per.,