Source : Webster's Revised Unabridged Dictionary (1913)

Circumstantiate \Cir`cum*stan"ti*ate\, v. t. [imp. & p. p.
   {Circumstantiated}; p. pr. & vb. n. {Circumstantiating}.]
   [See {Circumstantiating} (?).]
   1. To place in particular circumstances; to invest with
      particular accidents or adjuncts. [R.]

            If the act were otherwise circumstantiated, it might
            will that freely which now it wills reluctantly.
                                                  --Bramhall.

   2. To prove or confirm by circumstances; to enter into
      details concerning.

            Neither will time permint to circumstantiate these
            particulars, which I have only touched in the
            general.                              --State Trials
                                                  (1661).