"corroborate sth" in German to corroborate sth. etw. bestätigen etw. untermauern etw. stützen etw. erhärten Detailed translations for "corroborate sth" to corroborate sth. to corroborate sth.(also: to acknowledge sth., to attest to sth., to circumstantiate sth., to lend support to sth) etw. bestätigen to corroborate sth.(also: to circumstantiate sth., to be corroborative of sth., to hammer home sth.) etw. untermauern to corroborate sth.(also: to circumstantiate sth.) etw. stützen to corroborate sth.(also: to circumstantiate sth.) etw. erhärten{transitive verb}