clarity, light, cleverness, intelligence, sheen, glow, ingenuity, gaiety, glotter gloss, luster, illumination, glory, optimism, splendor. I'm sure you can think of others.
lumin, dimness
dozen
ossify
The word "ray."
The crossword puzzle clue, "How an insect feels when it is nervous," is sometimes a five letter word that begins with an a. Antsy would be the answer for this clue.
ideas
Tete, which is the French word for "head."
CWT
inset
"Ante" is the crossword puzzle answer for that clue.
Lacerates.
The clue is related to the crossword title
The Clue in the Crossword Cipher was created in 1967.