transitive verb | \ ˈfi-lē-ˌāt \ | fil·i·ate
: 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 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.