The term 'give confidence to' can be summarized by two crossword solutions: ASSURE (6 letters) and REASSURE (8 letters). ASSURE is a verb meaning to declare something with certainty, while REASSURE is a verb meaning to restore someone's confidence or faith in something. Both words are used to describe the act of providing someone with assurance or comfort. In other words, they both refer to the act of giving someone confidence.