The best replacement for aller is venir.

The best alternatives to aller are rated as following:
★★★★★  venir
★★★  vais
★  avoir
  d'aller
  sortir

Your alternative for aller is not listed? Suggest!
Speaking about aller, one probably shouldn't forget about passe compose.

Other search terms related to aller and their ratings are:
★★★★★ passe compose
★★★★ imparfait
★★ future tense
near future
You have in mind a companion for aller and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of aller in all years. Click on graph for more.
aller
venir
vais