assuring
adj.adj. giving someone confidence or making them feel less worried about a situation.
adj. providing confidence or comfort to another person; intended to remove doubt or anxiety. Often used as a participial adjective to describe a person's tone or manner.
She gave me an assuring smile before the interview.
The manager sent an assuring email to the staff to confirm that no jobs would be lost during the merger.
Despite the volatile market conditions, the CEO maintained an assuring presence during the press conference, carefully addressing every concern raised by the investors.
Often used attributively before a noun like 'smile', 'nod', or 'tone'.
I am assuring that he is rightI am sure that he is rightLearners often confuse the adjective 'assuring' (which describes something that gives confidence to others) with the state of being 'sure' or 'certain' themselves.