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English definition of “reassure”

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verb [T]  /ˌri·əˈʃʊr/ us  
to comfort someone and stop that person from worrying: Her smile didn’t reassure me.
adjective  /ˌri·əˈʃʊr·ɪŋ/ us  
His reassuring manner convinced her she was safe.
adverb  /ˌri·əˈʃʊr·ɪŋ·li/ us  
I bent down and patted the dog reassuringly.
(Definition of reassure from the Cambridge Academic Content Dictionary © Cambridge University Press)
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