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

Speculatory \Spec"u*la*to*ry\, a. [L. speculatorius belonging to
   spies or scouts.]
   1. Intended or adapted for viewing or espying; having
      oversight. --T. Warton.

   2. Exercising speculation; speculative. --T. Carew.