The best replacement for would is could.

The best alternatives to would are rated as following:
★★★★★  could
★★★★  will
★★★★  should
★★★  will grammar
★★  used to
★  can
★  could grammar
★  would have
★  used to exercises
★  i will
  did
  would
  will usage
  had
  could you please
  might
  will grammar girl
  want
  used to esl
  will gmat
  will when to use
  wouldn't
  will difference
  i'd

Your alternative for would is not listed? Suggest!
Speaking about would, one probably shouldn't forget about past tense.

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



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would
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