Yes, lights is a Scrabble word!

Verb

1. Make lighter or brighter

2. Begin to smoke

3. To come to rest, settle

4. Cause to start burning; subject to fire or great heat

5. Fall to somebody by assignment or lot

6. Alight from (a horse)

Noun

1. (physics) electromagnetic radiation that can produce a visual sensation

2. Any device serving as a source of illumination

3. A particular perspective or aspect of a situation

4. The quality of being luminous; emitting or reflecting light

5. An illuminated area

6. A condition of spiritual awareness; divine illumination

7. The visual effect of illumination on objects or scenes as created in pictures

8. A person regarded very fondly

9. Having abundant light or illumination

10. Mental understanding as an enlightening experience

11. Merriment expressed by a brightness or gleam or animation of countenance

12. Public awareness

13. A divine presence believed by Quakers to enlighten and guide the soul

14. A visual warning signal

15. A device for lighting or igniting fuel or charges or fires