1) Adjective for some parents 2) Adopted 3) Certain parents 4) Foster 5) Kind of mother or father 6) Like some host families 7) Like some parents 8) Of or involving adoption 9) Of parents and children 10) Surrogate 11) Tending to adopt 
• (a.) Pertaining to adoption; made or acquired by adoption; fitted to adopt; as, an adoptive father, an child; an adoptive language.
A·dopt'ive adjective [ Latin adoptivus : confer French adoptif .] Pertaining to adoption; made or acquired by adoption; fitted to adopt; as, an adoptive father, an child; an adoptive language. -- 
[adj] - of parents and children
adjective of parents and children; related by adoption; `adoptive parents`
of or involving adoption. · acquired or related by adoption: an adoptive father or son. · tending to adopt.