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.

• To confirm, strengthen or support something with additional evidence; to attest or vouch.