corroborate

v. t. [ imp. & p. p. Corroborated p. pr. & vb. n. Corroborating ] [ 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 ]