corroborating
Webster's Dictionary (GCIDE)
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.] [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]