Fil"ial (?), a. [L. filialis, fr. filius son, filia daughter; akin to e. female, feminine. Cf. Fitz.]
1.
Of or pertaining to a son or daughter; becoming to a child in relation to his parents; as, filial obedience.
2.
Bearing the relation of a child.
And thus the filial Godhead answering spoke.
Milton.
© Webster 1913.