"assure sth" in German to assure sth. etw. beteuern sichern zusichern sicherstellen versichern Detailed translations for "assure sth" to assure sth. to assure sth.(also: to maintain sth.) etw. beteuern to assure sth.(also: to safeguard, to back up, to ensure sth., to fuse) sichern to assure sth. zusichern to assure sth.(also: to ensure sth.) sicherstellen to assure sth.(also: to assure) versichern{transitive verb}