Yes, compact is a Scrabble word!

Verb

1. Have the property of being packable or of compacting easily

2. Compress into a wad

3. Make more compact by or as if by pressing

4. Squeeze or press together

Adjective

1. Closely and firmly united or packed together

2. Having a short and solid form or stature

3. Briefly giving the gist of something

Noun

1. A small cosmetics case with a mirror; to be carried in a woman's purse

2. A signed written agreement between two or more parties (nations) to perform some action

3. A small and economical car