Yes, fan is a Scrabble word!
...and is worth 6 points in Scrabble, and 7 points in Words with Friends
fan
Verb
1. Strike out (a batter), (of a pitcher)
2. Make (an emotion) fiercer
3. Agitate the air
4. Separate the chaff from by using air currents
Noun
1. A device for creating a current of air by movement of a surface or surfaces
2. An enthusiastic devotee of sports
3. An ardent follower and admirer
What Scrabble words can I make with the letters in fan?
2 Letter Words