The best replacement for hindsight is retrospect.

The best alternatives to hindsight are rated as following:
★★★★★  retrospect
★★★  foresight
★★  peep eliminator
★★  in hindsight
★  anchor sight
★  hindsight
★  peep
★  blindsight
★  with hindsight
★  peep sight
★  on hindsight
  hind sight
  in retrospect

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

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



Google Trends

Scale is based on the average worldwide traffic of hindsight in all years. Click on graph for more.
hindsight
retrospect
foresight