Enthusiast

The answer to the crossword question “Enthusiast is FAN” is a simple wordplay. The clue employs the word “enthusiast” which can be used to refer to someone who is passionate or excited about a particular thing or activity. The answer, “FAN,” can be interpreted in two ways – as a shortened form of the word “fanatic,” which is another word for an enthusiast, or as a literal fan, i.e., the object used to create a flow of air. In either case, the answer is a straightforward and common word that fits the clue.