The best replacement for want is need.

The best alternatives to want are rated as following:
★★★★★  need
★★★  wants
★★  desire
★★  need quotes
★★  wont
★  like
★  would like
★  wish
★  wanted
★  won't
★  should
★  need relationship
  wanna
  demand
  would
  need marketing
  needs
  need definition
  what i need
  need love
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  need relationships
  what you need
  i would like
  need economics
  none wants

Your alternative for want is not listed? Suggest!
Speaking about want, one probably shouldn't forget about my body song.

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



Google Trends

Scale is based on the average worldwide traffic of want in all years. Click on graph for more.
want
need
wants