Yes, walking is a Scrabble word!

Verb

1. Use one's feet to advance; advance by steps

2. Accompany or escort

3. Obtain a base on balls

4. Traverse or cover by walking

5. Give a base on balls to

6. Live or behave in a specified manner

7. Be or act in association with

8. Walk at a pace

9. Make walk

10. Take a walk; go for a walk; walk for pleasure

Adjective

1. Close enough to be walked to

Noun

1. The act of traveling by foot