n. [ F. affiliation, LL. affiliatio. ] 1. Adoption; association or reception as a member in or of the same family or society. [ 1913 Webster ]
2. (Law) The establishment or ascertaining of parentage; the assignment of a child, as a bastard, to its father; filiation. [ 1913 Webster ]
3. Connection in the way of descent. H. Spencer. [ 1913 Webster ]