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

Expectative \Ex*pect"a*tive\, a. [Cf. F. expectatif.]
   Constituting an object of expectation; contingent.

   {Expectative grace}, a mandate given by the pope or a prince
      appointing a successor to any benefice before it becomes
      vacant. --Foxe.