Webster’s Revised Unabridged Dictionary · 1913
Corroborate
Cor·rob′o·rate (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.]
As any limb well and duly exercised, grows stronger, the nerves of the body are corroborated thereby. I. Watts.
2. To make more certain; to confirm; to establish.
The concurrence of all corroborates the same truth. I. Taylor.
Cor·rob′o·rate (-r?t), a. Corroborated. [Obs.] Bacon.