filiate

transitive verb

fil·​i·​ate

ˈfi-lē-ˌāt

filiated; filiating

: to declare (a child) the descendant of a particular parent and especially a father

has not been filiated by the initiative of the parent

—Louisiana Civil Code

compare acknowledge sense 2b, legitimate

Note: A child may be illegitimate but filiated. Both legitimation and acknowledgment filiate an illegitimate child. Adopted children are filiated by the adoption proceeding.