[1] : The Collaborative International Dictionary of English v.0.48

corroborate \corrob"orate\ -r?t, a.
   corroborated. obs. --bacon.
   1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

corroborate \corrob"orate\ k?r-r?b"?-r?t, v. t. imp.  p.
   p. corroborated -r?`t?d; p. pr.  vb. n. corroborating
   -r?`t?ng.  l. corroboratus, p. p. of corroborare to
   corroborate; cor- + roborare to strengthen, robur strength.
   see robust.
   1. to make strong, or to give additional strength to; to
      strengthen. obs.
      1913 webster

            as any limb well and duly exercised, grows stronger,
            the nerves of the body are corroborated thereby.
                                                  --i. watts.
      1913 webster

   2. to make more certain; to confirm; to establish.
      1913 webster

            the concurrence of all corroborates the same truth.
                                                  --i. taylor.
      1913 webster
see also:
corroborated corroborating robust 

[3] : WordNet (r) 2.0

corroborate
     v 1: establish or strengthen as with new evidence or facts; "his
          story confirmed my doubts"; "the evidence supports the
          defendant" syn: confirm, sustain, substantiate, support,
           affirm ant: negate
     2: give evidence for syn: validate
     3: support with evidence or authority or make more certain or
        confirm; "the stories and claims were born out by the
        evidence" syn: underpin, bear out, support
see also:
confirm sustain substantiate support affirm negate 
validate underpin bear out 

[4] : Moby Thesaurus II by Grady Ward, 1.0

27 moby thesaurus words for "corroborate":
   affirm, attest, authenticate, back, back up, bear out, bolster,
   buttress, certify, circumstantiate, confirm, document, fortify,
   justify, probate, prove, ratify, reinforce, strengthen,
   substantiate, support, sustain, undergird, uphold, validate,
   verify, warrant

Corroborate >> C Words
Corroborate, definition of term: Corroborate
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