Confirm to be true (6)
I believe the answer is:
verify
(Other definitions for verify that I've seen before include "Establish truth or accuracy of" , "Ascertain truth or accuracy" , "Prove to be true" , "Check (facts)" , "Confirm the truth of" .)
I believe the answer is:
verify
(Other definitions for verify that I've seen before include "Establish truth or accuracy of" , "Ascertain truth or accuracy" , "Prove to be true" , "Check (facts)" , "Confirm the truth of" .)