资料来源 : Webster's Revised Unabridged Dictionary (1913)

Cooptate \Co*["o]p"tate\, v. t. [L. co["o]ptatus, p. p. of
   co["o]tare to elect to something; co- + optare to choose.]
   To choose; to elect; to co["o]pt. [Obs.] --Cockeram.