Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb corroborate
3 senses of corroborate
Sense 1
confirm, corroborate, sustain, substantiate, support, affirm -- (establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant")
Sense 2
validate, corroborate -- (give evidence for)
=> confirm, reassert -- (strengthen or make more firm; "The witnesses confirmed the victim's account")
Sense 3
corroborate, underpin, bear out, support -- (support with evidence or authority or make more certain or confirm; "The stories and claims were born out by the evidence")
=> match, fit, correspond, check, jibe, gibe, tally, agree -- (be compatible, similar or consistent; coincide in their characteristics; "The two stories don't agree in many details"; "The handwriting checks with the signature on the check"; "The suspect's fingerprints don't match those on the gun")