IPA: //ˌriːəˈʃʊr//
KK: /riˈəˌʃʊr/
To make someone feel less worried or afraid by giving them comfort or support.
She tried to reassure him that everything would be fine.
Past: reassured
Past Participle: reassured
Reassure → It is formed from "re-" (meaning again) and "assurare" (meaning to make sure or to assure). The word means to assure someone again, providing them with comfort or confidence.
Think of giving someone confidence 'again' ('re-') by 'making sure' ('assurare') they are safe or secure.