| Noun | 1. | filiation - the kinship relation between an individual and the individual's progenitors family relationship, kinship, relationship - (anthropology) relatedness or connection by blood or marriage or adoption bilateral descent - line of descent traced through both the maternal and paternal sides of the family unilateral descent - line of descent traced through one side of the family |
| 2. | filiation - inherited properties shared with others of your bloodlinehereditary pattern, inheritance - (genetics) attributes acquired via biological heredity from the parents descent, extraction, origin - properties attributable to your ancestry; "he comes from good origins" |