1. 
2. 
[syn: adopted, adoptive]
The Collaborative International Dictionary of English v.0.48:
Adoptive \A*dopt"ive\, a. [L. adoptivus: cf. F. adoptif.]
   Pertaining to adoption; made or acquired by adoption; fitted
   to adopt; as, an adoptive father, an child; an adoptive
   language. -- A*dopt"ive*ly, adv.
   [1913 Webster]
WordNet (r) 3.0 (2006):
adoptive
    adj 1: of parents and children; related by adoption; "adoptive
           parents" [ant: biological]
    2: acquired as your own by free choice; "my adopted state"; "an
       adoptive country" [syn: adopted, adoptive] [ant:
       native]