ădoptātĭo — Lewis & Short
ădoptātĭo, ōnis, f.id.; access. form of adoptio, by which it was supplanted after the class. per.,
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.