D defs.my
Entry 2 senses Webster, 1913

Filial

/fĭl'-ē-əl/ · Fil·ial · IPA /ˈfɪl.i.əl/
01 a. Of or pertaining to a son or daughter; becoming to a child in relation to his parents; as, filial obedience.
  1. 1.
    Of or pertaining to a son or daughter; becoming to a child in relation to his parents; as, filial obedience.
  2. 2.
    Bearing the relation of a child.
    “And thus the filial Godhead answering spoke.” Milton.