The best replacement for adopt is adapt.

The best alternatives to adopt are rated as following:
★★★★★  adapt
★★★★  buy a dog
★★  foster
★  breeder
★  give birth
★  get pregnant
  not to adopt
  conceive
  approve
  buy a puppy
  ratify

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

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



Google Trends

Scale is based on the average worldwide traffic of adopt in all years. Click on graph for more.
adopt
adapt
buy a dog