filial [fil-ee-uh l]
1. of, relating to, or befitting a son or daughter: filial obedience.
2. noting or having the relation of a child to a parent.
3. Genetics. pertaining to the sequence of generations following the parental generation, each generation being designated by an F followed by a subscript number indicating its place in the sequence.
See more synonyms on Thesaurus.com
Origin: 1350-1400; Middle English < Late Latin fīliālis, equivalent to Latin fīli(us) son + -ālis -al
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.