reassure
US /ˌriː.əˈʃʊr/
UK /ˌriː.əˈʃʊr/
1.
rassurer, tranquilliser
say or do something to remove the doubts or fears of someone
:
•
She tried to reassure him that everything would be fine.
Elle a essayé de le rassurer que tout irait bien.
•
His calm voice helped to reassure the frightened child.
Sa voix calme a aidé à rassurer l'enfant effrayé.