The crossword solution for the term SERIOUS ATTENTION is CARE, which is a four-letter word. CARE is an acronym that stands for Concern, Attention, Respect, and Empathy. It is a way of showing respect and understanding to others, and it is often used in healthcare settings. CARE is also used to describe a state of being attentive and focused on something important. In other words, when someone pays serious attention to something, they are showing CARE.