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Related to coopt: appropriate
1. to add (someone) to a committee, board, etc, by the agreement of the existing members
2. to appoint summarily; commandeer
[C17: from Latin cooptāre to elect, from optāre to choose]
coˈoption, co-ˈoption, ˌcoopˈtation, ˌco-opˈtation n
coˈoptative, co-ˈoptative adj
Past participle: coopted