To place in particular circumstances; to invest with particular accidents or adjuncts. [1913 Webster]
"If the act were otherwise circumstantiated, it might will that freely which now it wills reluctantly." [1913 Webster]
To prove or confirm by circumstances; to enter into details concerning. [1913 Webster]
"Neither will time permint to circumstantiate these particulars, which I have only touched in the general." [1913 Webster]

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THESAURUS

circumstantiate

adduce, affirm, anatomize, atomize, attest, authenticate, back, back up, bear out, bolster, buttress, certify, cite, confirm, corroborate, descend to particulars, detail, document, enter into detail, fortify, give full particulars, instance, itemize, particularize, probate, prove, ratify, reinforce, specify, spell out, strengthen, substantiate, support, sustain, undergird, uphold, validate, verify, warrant

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