re·as·sure 
/ˌri:jəˈʃɚ/ verb
re·as·sures; re·as·sured; re·as·sur·ing /ˌri:jəˈʃɚ/ verb [+ obj] : to make (someone) feel less afraid, upset, or doubtful
▪ Experts reassured the public that the accident wouldn't happen again. ▪ I tried to reassure myself that the children were safe. ▪ The news didn't reassure him.
▪ Experts reassured the public that the accident wouldn't happen again. ▪ I tried to reassure myself that the children were safe. ▪ The news didn't reassure him.
