a. Obs. rare1. [f. ADOPTION, after analogy of ambition, ambitious, etc., as if f. L. *adoptiōsus.] Of, or connected with, adoption.
1601. Shaks., Alls Well, I. i. 187. With a world Of pretty fond adoptious christendomes That blinking Cupid gossips [i.e., christenings of adopted children for which Cupid stands godfather].