Yes, dean is a Scrabble word!
...and is worth 5 points in Scrabble, and 6 points in Words with Friends
dean
Noun
1. An administrator in charge of a division of a university or college
2. United States film actor whose moody rebellious roles made him a cult figure (1931-1955)
3. A man who is the senior member of a group
4. (Roman Catholic Church) the head of the College of Cardinals
What Scrabble words can I make with the letters in dean?
3 Letter Words
2 Letter Words