corroborat

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 ]

adj. supported or established by evidence or proof; as, corroborated testimony is especially convincing.
Syn. -- substantiated, verified. [ WordNet 1.5 ]

n. [ Cf. F. corroboration. ] 1. The act of corroborating, strengthening, or confirming; addition of strength; confirmation; as, the corroboration of an argument, or of information. [ 1913 Webster ]

2. That which corroborates. [ 1913 Webster ]

a. [ Cf. F. corroboratif. ] Tending to strengthen of confirm. [ 1913 Webster ]

n. A medicine that strengthens; a corroborant. Wiseman. [ 1913 Webster ]