C1 to comfort someone and stop them from worrying使安心；使打消疑虑；安慰
The president hastened to reassure his people that he was in perfect health.
They sought to reassure the public.
He reassured people that law-abiding citizens would have nothing to fear from the enquiries.
The police have reassured witnesses who may be afraid to come forward that they will be guaranteed anonymity.
The firmness of his handshake reassured me.