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. [ 1913 Webster ]
2. Bearing the relation of a child. [ 1913 Webster ]
And thus the filial Godhead answering spoke. Milton. [ 1913 Webster ]