Yes, post is a Scrabble word!

Verb

1. Affix in a public place or for public notice

2. Publicize with, or as if with, a poster

3. Assign to a post; put into a post

4. Assign to a station

5. Display, as of records in sports games

6. Enter on a public list

7. Transfer (entries) from one account book to another

8. Ride Western style and bob up and down in the saddle in rhythm with a horse's trotting gait

9. Mark with a stake

10. Place so as to be noticed

11. Cause to be directed or transmitted to another place

12. Mark or expose as infamous

Noun

1. The position where someone (as a guard or sentry) stands or is assigned to stand

2. Military installation at which a body of troops is stationed

3. A job in an organization

4. An upright consisting of a piece of timber or metal fixed firmly in an upright position

5. United States aviator who in 1933 made the first solo flight around the world (1899-1935)

6. United States female author who wrote a book and a syndicated newspaper column on etiquette (1872-1960)

7. United States manufacturer of breakfast cereals and Postum (1854-1914)

8. Any particular collection of letters or packages that is delivered

9. A pole or stake set up to mark something (as the start or end of a race track)

10. The system whereby messages are transmitted via the post office

11. The delivery and collection of letters and packages