Confirmatio perficiens
Defined in 3 dictionaries — Ballentine's (1916), Bouvier (1914), Black's (1891)
Ballentine's Law Dictionary
James A. Ballentine · 1916
A confirmation making valid a defeasible title.
Bouvier's Law Dictionary and Concise Encyclopedia
John Bouvier; revised by Francis Rawle · 1914
A continuation which makes valid a wrongful and defeasible title, or makes a conditional estate, absolute. Shep, Touchst. 311; Black.
A Dictionary of Law
Henry Campbell Black · 1891
A confirmation which makes valid a wrongful and defeasible title, or makes a conditional estate absolute. Shep. Touch. dil.