WordNet sense 1 (United States aviator who in 1933 made the first solo flight around the world (1899-1935)):

Wiley Post

WordNet sense 2 (United States female author who wrote a book and a syndicated newspaper column on etiquette (1872-1960)):

Emily Post, Emily Price Post

WordNet sense 3 (United States manufacturer of breakfast cereals and Postum (1854-1914)):

C. W. Post, Charles William Post

WordNet sense 4 (the position where someone (as a guard or sentry) stands or is assigned to stand):

station

WordNet sense 5 (any particular collection of letters or packages that is delivered):

mail

WordNet sense 6 (a pole or stake set up to mark something (as the start or end of a race track)):

stake

WordNet sense 7 (the system whereby messages are transmitted via the post office):

mail service, postal service

WordNet sense 8 (military installation at which a body of troops is stationed):

military post

WordNet sense 9 (transfer (entries) from one account book to another):

carry

WordNet sense 10 (put up):

put up

WordNet sense 11 (assign to a station):

base, place, send

WordNet sense 12 (mark or expose as infamous):

brand

WordNet sense 13 (a job in an organization):

berth, billet, office, position, situation, spot