Definition of: coopt

(kō·opt′) v.t.
1. To choose by joint action; specifically, to elect to fill a vacant membership, as of a committee, board, etc.
2. To make ineffectual as an instrument for radical change by incorporating within the established order. Also co·op′tate. [<L cooptare <co- together + optare choose]
—co·op·ta·tive (kō·op′tə·tiv) adjective
—co·op′tion, co′op·ta′tion n.