The best replacement for waiver is waver.

The best alternatives to waiver are rated as following:
★★★★★  waver
★★★★  deviation
★★★★  estoppel
★★★  release of liability
★★  release
★  disclaimer
★  free agent
★  unconditional waiver
★  unconditional
  conditional waiver
  variance
  gap insurance
  exemption
  loss damage waiver
  remission
  forbearance
  acceptance of service

Your alternative for waiver is not listed? Suggest!
Speaking about waiver, one probably shouldn't forget about 10 year ban.

Other search terms related to waiver and their ratings are:
★★★★★ 10 year ban
★★★★ prejudice privilege
★ h1b
You have in mind a companion for waiver and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of waiver in all years. Click on graph for more.
waiver
waver
deviation