CORROBORATE
confirm, corroborate, sustain, substantiate, support, affirm
(verb) establish or strengthen as with new evidence or facts; “his story confirmed my doubts”; “The evidence supports the defendant”
validate, corroborate
(verb) give evidence for
corroborate, underpin, bear out, support
(verb) support with evidence or authority or make more certain or confirm; “The stories and claims were born out by the evidence”
Source: WordNet® 3.1
Etymology
Verb
corroborate (third-person singular simple present corroborates, present participle corroborating, simple past and past participle corroborated)
(transitive) To confirm or support something with additional evidence; to attest or vouch for.
• I. Taylor
(transitive) To make strong; to strengthen.
• I. Watts
Source: Wiktionary
Cor*rob"o*rate (kr-rb"-rt), v. t. [imp. & p. p. Corroborated (-r`td);
p. pr. & vb. n. Corroborating (-r`tng). ] Etym: [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 (-rt), a.
Definition: Corroborated. [Obs.] Bacon.
Source: Webster’s Unabridged Dictionary 1913 Edition