The best replacement for outfit is costume.

The best alternatives to outfit are rated as following:
★★★★★  costume
★★★★★  five families
★★★★  templar armor
★★★  getup
★★  ensemble
  karate white outfit
  outfit
  be on your retro outfit

Your alternative for outfit is not listed? Suggest!
Speaking about outfit, one probably shouldn't forget about combat boots.

Other search terms related to outfit and their ratings are:
★★★★★ combat boots
★ red shoes
You have in mind a companion for outfit and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of outfit in all years. Click on graph for more.
outfit
costume
five families