from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To take into one's family through legal means and raise as one's own child.
- transitive v. To take and follow (a course of action, for example) by choice or assent: adopt a new technique.
- transitive v. To take up and make one's own: adopt a new idea.
- transitive v. To take on or assume: adopted an air of importance.
- transitive v. To vote to accept: adopt a resolution.
- transitive v. To choose as standard or required in a course: adopt a new line of English textbooks.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To take by choice into relationship, as, child, heir, friend, citizen, etc.
- v. To take voluntarily (a child of other parents) to be in the place of, or as, one's own child.
- v. To obtain (a pet) from a shelter or the wild.
- v. To take by choice into the scope of one's responsibility.
- v. To take or receive as one's own what is not so naturally.
- v. To select and take or approve.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To take by choice into relationship, as, child, heir, friend, citizen, etc.; esp. to take voluntarily (a child of other parents) to be in the place of, or as, one's own child.
- transitive v. To take or receive as one's own what is not so naturally; to select and take or approve
from The Century Dictionary and Cyclopedia
- To choose for or take to one's self; make one's own by selection or assent; receive or agree to as a personal belonging or opinion: as, to adopt a name or an idea; an adopted citizen or country; the meeting adopted the resolution.
- Specifically, to admit into a relation of affiliation; confer the rights or privileges of kinship upon, as one who is not naturally related or connected; especially, to receive and treat as a child or member of one's family, etc.: as, the orphans were adopted by friends. See adoption, 2. To take or receive into any kind of new relationship: as, to adopt a person as an heir, or as a friend, guide, or example.
- In euchre, to play with the suit turned up for trumps: a privilege of the dealer.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. put into dramatic form
- v. choose and follow; as of theories, ideas, policies, strategies or plans
- v. take up the cause, ideology, practice, method, of someone and use it as one's own
- v. take on a certain form, attribute, or aspect
- v. take up and practice as one's own
- v. take on titles, offices, duties, responsibilities
- v. take into one's family
Middle English adopten, from Old French adopter, from Latin adoptāre : ad-, ad- + optāre, to choose.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle French adopter, from Latin adoptare; ad + optare ("to choose, desire"). (Wiktionary)