v. arch. [f. L. cooptāt. ppl. stem of L. cooptāre to choose or elect to an office, etc.] = COOPT; but formerly less definitely = To choose or elect to an office, into a body, etc. Hence Co[-]optated ppl. a.
1623. Cockeram, Cooptate, to chuse.
1656. Blount, Glossogr., Co-optate, to elect or chuse.
1658. Bramhall, Consecr. Bps., xi. 228. These are they whom we purpose this day to admit (cooptate) into the holy office of Priesthood.
1818. Todd, Co-optate, to choose.
1882. Jevons, Meth. Soc. Reform, 75. The co-optated trustees.