The American Heritage® Dictionary of the English Language, 4th Edition
adj. Of or having to do with adoption.
adj. Characteristic of adoption.
adj. Related by adoption: "increased honesty and sharing between birth families, adoptive families and adoptees” ( Robyn S. Quinter). See Usage Note at adopt.
adj. Related through adoption; more generally, relating to adoption.
the GNU version of the Collaborative International Dictionary of English
adj. Pertaining to adoption; made or acquired by adoption; fitted to adopt
The Century Dictionary and Cyclopedia
Fitted for or given to adopting: as, a receptive and adoptive language. Constituted by adoption; adopting or adopted: as, an adoptive father or son. Assumed: as, “adoptive and cheerful boldness,” Milton, Ref. in Eng., i.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. acquired as your own by free choice
adj. of parents and children; related by adoption
Word Usage
"As Philolaus gave them laws concerning many other things, so did he upon adoption, which they call adoptive laws; and this he in particular did to preserve the number of families."