The best replacement for altitude is elevation.

The best alternatives to altitude are rated as following:
★★★★★  elevation
★★★★  pressure
★★★  temperature
★★  barometric pressure
★★  median
★  air density
★  air pressure
★  height
★  attitude
★  latitude
★  vacuum
★  density
★  azimuth
★  temperature graph
★  aeroplan
★  speed of sound
  boiling point of water
  oxygen concentration
  flight level
  psi
  density altitude
  sea level
  boiling point
  bronson
  oxygen
  atmospheric pressure
  mach number
  inches of mercury
  mbar
  aircraft altitude
  transition level
  torr

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

Other search terms related to altitude and their ratings are:
★★★★★ attitude
★★★ pressure
★★ temperature
★ gravity
barometric pressure
dew point
pressure altitude
climate
You have in mind a companion for altitude and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of altitude in all years. Click on graph for more.
altitude
elevation
pressure