From Longman Dictionary of Contemporary Englishsafe in the knowledge that ...safe in the knowledge that ...completely certain that something is true or will happen She went out, safe in the knowledge that no one else was awake. → safe
Examples from the Corpus
safe in the knowledge that ...• You simply roam around, safe in the knowledge that round each corner there will be something to please.• Take these to your stylist, safe in the knowledge that your new look is going to suit you! 