The best replacement for poster is lithograph.

The best alternatives to poster are rated as following:
★★★★★  lithograph
★★★★★  banner
★★★★  print
★★★★  flyer
★★★★  oral presentation
★★  slogan
★★  art print
★  infographic
★  posters
★  masterprint
★  giclee
★  poster board
★  wall scroll
  print art
  fine art print
  brochure
  print ad
  oral presentations
  bulletin
  wallpaper

Your alternative for poster is not listed? Suggest!
Speaking about poster, one probably shouldn't forget about slogan.

Other search terms related to poster and their ratings are:
★★★★★ slogan
You have in mind a companion for poster and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of poster in all years. Click on graph for more.
poster
lithograph
banner