from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To elect as a fellow member of a group.
- transitive v. To appoint summarily.
- transitive v. To take or assume for one's own use; appropriate: co-opted the criticism by embracing it.
- transitive v. To neutralize or win over (an independent minority, for example) through assimilation into an established group or culture: co-opt rebels by giving them positions of authority.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To elect as a fellow member of a group, such as a committee.
- v. To commandeer, appropriate or take over.
- v. To absorb or assimilate into an established group.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To choose or elect in concert with another.
- transitive v. To choose or elect as a colleague or fellow member of a group.
- transitive v. To assimilate (a smaller group) into a larger group.
- transitive v. To persuade an opponent to join one's own side.
- transitive v. To appoint summarily (with or without the appointee's consent).
- transitive v. To appropriate (something rightly belonging to another) as one's own; to preempt.
from The Century Dictionary and Cyclopedia
- To choose conjointly; elect; select by joint choice; specifically, to elect to membership in a committee, board, or society by the choice of its existing members.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. neutralize or win over through assimilation into an established group
- v. appoint summarily or commandeer
- v. take or assume for one's own use
- v. choose or elect as a fellow member or colleague
Latin cooptāre : co-, co- + optāre, to choose.(American Heritage® Dictionary of the English Language, Fourth Edition)