The best replacement for first class is business class.

The best alternatives to first class are rated as following:
★★★★★  business class
★★★★★  priority mail
★★★★  coach
★★★  priority
★★  economy
★★  standard mail
★★  media mail
★  parcel post
★  private jet
★  business
★  priority mail usps
★  priority shipping
★  first-class
★  second class
★  standard post
  priority faster
  second class eurail
  priority mail cheaper
  business elite
  no class
  regular mail
  business difference
  economy flight
  parcel
  priority international
  priority usps
  couch
  business class flights
  master sergeant
  coach us airways
  expedited
  bulk
  priority mail faster
  coach flights

Your alternative for first class is not listed? Suggest!
Speaking about first class, one probably shouldn't forget about distinction.

Other search terms related to first class and their ratings are:
★★★★★ distinction
★★ american airlines
You have in mind a companion for first class and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of first class in all years. Click on graph for more.
first class
business class
priority mail