"To finalize the adoption" means to complete the legal process of officially making someone a parent to a child that is not biologically their own. Full definition
Once you have finalized the adoption of your rescue dog, it is imperative that you begin training right away. (notinthedoghouse.com)
The adoptive placement is supervised by our agency for a minimum of 90 days after placement, after which time you will be able to finalize your adoption in court. (chlss.org)
In the unlikely event the applicant does not finalize adoption at the meet, we move to the next interested applicant. (cocosheartdogrescue.org)