#1
corroborate v. [
confirm, sustain, substantiate, support, affirm] establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant"
. wn #2
corroborate v. [
validate] give evidence for
. wn #3
corroborate v. [
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"
. wn