Question: candid

Answer: informal; unposed:frank; outspoken; open and sincere

Question: candle

Answer: a long, usually slender piece of tallow or wax with an embedded wick that is burned to give light.

Question: incandescent

Answer: intensely bright; brilliant

Question: candelabra

Answer: an ornamental branched holder for more than one candle

Question: candescence

Answer: a candescent state : glowing whiteness