Putative
A Law Dictionary, Adapted to the Constitution and Laws of the United States · John Bouvier · 1839
A Law Dictionary, Adapted to the Constitution and Laws of the United States
Reputed to be that which is not. This word is frequently used, as putative father, (q. v.) putative marriage, putative wife, and the like.
And Toullier, tome 7, n.
29, uses the words putative owner, proprietaire putatif.