FILIATION

filiation. Filiation, n. the relation a fon bears to a father

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Fil′i‐a″tion (?), n. [[LL. filiatio, fr. L. filius son: cf. F. filiation. See Filial.]] 1. 1. The relationship of a son or child to a parent, esp. to a father.
The relation of paternity and filiation. Sir M. Hale. 2. 2. (Law) The assignment of a bastard child to some one as its father; affiliation. Smart.