The term 'IMPRESSES DEEPLY' can be represented by three words in a crossword puzzle: ENGRAVES (8 letters), AWES (4 letters), and OVERAWES (8 letters). Engraving is the practice of carving or cutting a design into a hard surface, such as metal or stone. To awe someone is to inspire them with a feeling of reverential respect or admiration. To overawe someone is to overwhelm them with a feeling of awe. Therefore, the term 'IMPRESSES DEEPLY' can be interpreted as having a profound effect on someone, leaving them in a state of admiration and awe.