Yes, about is a Scrabble word!

Adverb

1. (of quantities) imprecise but fairly close to correct

2. All around or on all sides

3. In the area or vicinity

4. Used of movement to or among many different places or in no particular direction

5. In or to a reversed position or direction

6. In rotation or succession

7. (of actions or states) slightly short of or not quite accomplished; all but

Adjective

1. On the move