Focus: luc and lum
1. elucidate - make something clear; explain
2. illuminate - light up
3. lucid - expressed clearly; easy to understand
4. luminary - an artificial light; someone notable
5. luminescence - light produced by chemical, electrical, or physiological means
6. luminous - full of or shedding light
7. pellucid - translucently clear
8. translucent - allowing light but not detailed images to pass through
