reassuringgerund / present participle Used attributively and predicatively to describe something that provides reassurance.
Her reassuring smile made everyone feel at ease during the meeting.
Son sourire rassurant a mis tout le monde à l'aise pendant la réunion.
Gerund: the act or process of giving reassurance.
Their constant reassuring helped calm the children.
Leur rassurance constante a aidé à calmer les enfants.