Yes, easy is a Scrabble word!

Adverb

1. With ease (`easy' is sometimes used informally for `easily')

2. Without speed (`slow' is sometimes used informally for `slowly')

3. In a relaxed manner; or without hardship

Adjective

1. Posing no difficulty; requiring little effort

2. Not hurried or forced

3. Free from worry or anxiety

4. Affording pleasure

5. Having little impact

6. Readily exploited or tricked

7. In fortunate circumstances financially; moderately rich

8. Marked by moderate steepness

9. Affording comfort

10. Casual and unrestrained in sexual behavior

11. Less in demand and therefore readily obtainable

12. Obtained with little effort or sacrifice, often obtained illegally