assure
verb
[ əˈʃʊə ]
• tell someone something positively to dispel any doubts.
• "Tony assured me that there was a supermarket in the village"
Similar:
reassure,
convince,
satisfy,
persuade,
guarantee,
promise,
tell,
prove to,
certify to,
attest to,
confirm to,
affirm to,
pledge to,
swear to,
give one's word to,
give one's assurance to,
vow to,
declare to,
• make (something) certain to happen.
• "victory was now assured"
• cover (a life) by assurance.
• "we guarantee to assure your life"
Origin:
late Middle English: from Old French assurer, based on Latin ad- ‘to’ (expressing change) + securus (see secure).