genesis
I
noun
beginning, birth, commencement, cradle, creation, dawn, derivation, exordium, formation, foundation, inception, inchoation, incipience, incipiency, incunabula, initiation, introduction, launching, nativity, onset, origin, origination, outset, provenance, rise, root, source, start
II
index
ancestry, birth (beginning), cause (reason), derivation, determinant, embryo, formation, inception, nascency, onset (commencement), origin (source), origination, outset, parentage, reason (basis), source, start
Burton's Legal Thesaurus.
William C. Burton.
2006