Affiliating

verb

1. To adopt; to receive into a family as one's offspring
2. To bring or receive into close connection; to ally.
3. (said of an illegitimate child) To fix the paternity of

   "to affiliate the child to (or on or upon) one man rather than another"

4. To connect in the way of descent; to trace origin to.
5. (followed by "to" or "with") To attach (to) or unite (with); to receive into a society as a member, and initiate into its mysteries, plans, etc.