reassurance
//ˌriː.əˈʃʊə.rəns//
Noun
reassuranceSingular
reassurancesPlural
1
The action of removing someone's doubts or fears; comfort or support given to restore confidence.
She needed reassurance that everything would be okay.
2
A statement or gesture intended to give confidence or dispel anxiety.
She gave him a few words of reassurance before his job interview.