assure

verb

• 1 [reporting verb] tell someone something positively or confidently to dispel any doubts they may have: [with object and clause]:Tony assured me that there was a supermarket in the village [with object and direct speech]:“I quite understand,” Mrs. Lewis assured her [with object]:they assured him of their full confidence
• make (someone) sure of something:you would be assured of a fine welcome she assured herself that he was asleep

• 2 [with object] make (something) certain to happen:victory was now assured [with clause]:their influence assured that the report would be tough
• chiefly British cover (a person) with life insurance.
• secure the future payment of (an amount) with insurance.