corroborate Meaning, Definition & Usage

verb establish or strengthen as with new evidence or facts
affirm; substantiate; support; confirm; sustain.
- his story confirmed my doubts
- The evidence supports the defendant
verb give evidence for
validate.
verb support with evidence or authority or make more certain or confirm
support; bear out; underpin.
- The stories and claims were born out by the evidence

L. corroboratus, p. p. of corroborare to corroborate; cor- + roborare to strengthen, robur strength. See Robust.

imperfect & past participle Corroborated present participle & verbal noun Corroborating

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.
To make more certain; to confirm; to establish.
The concurrence of all corroborates the same truth. I. Taylor.