The crossword solution for the term 'BE CONFIDENT IN' is 'TRUST'. TRUST is an important part of any relationship, whether it be between friends, family, or colleagues. It is essential to have TRUST in order to build strong relationships and to feel secure in those relationships. When we TRUST someone, we are confident that they will act in our best interests and that they will be honest and reliable. TRUST is also important in order to feel confident in ourselves and our decisions. When we TRUST ourselves, we can make decisions with confidence and without fear of failure.