The best replacement for terminal is command prompt.

The best alternatives to terminal are rated as following:
★★★★★  command prompt
★★★★★  instrumental values
★★★★  console
★★★★  iterm
★★★★  shell
★★★  concourse
★★★  enabling objectives
★★★  station
★★  non terminal masters
★★  iterm2
★  en route
★  nonterminal
★  citrix
★  enroute
★  xterm
★  cmd
★  workstation
★  x11
★  chronic
★  f2 terminal
★  conventional terminal
★  bash
★  instrumental
★  thomson reuters
  dos
  gui
  non terminal degree
  coterminal
  terminus
  hyper terminal
  grand central station
  verifone dial up pos terminal
  port
  burbank

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

Other search terms related to terminal and their ratings are:
★★★★★ sudo
★★★★ cydia
★★★ command line
★★ merchant account
★ linux
You have in mind a companion for terminal and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of terminal in all years. Click on graph for more.
terminal
command prompt
instrumental values