COSMOGONICAL
cosmologic, cosmological, cosmogonic, cosmogonical, cosmogenic
(adjective) pertaining to the branch of astronomy dealing with the origin and history and structure and dynamics of the universe; “cosmologic science”; “cosmological redshift”; “cosmogonic theories of the origin of the universe”
Source: WordNet® 3.1
Etymology
Adjective
cosmogonical (comparative more cosmogonical, superlative most cosmogonical)
Of or pertaining to cosmogony.
Source: Wiktionary
Cos*mog"o*nal (kz-mg"-nal), Cos`mo*gon"ic (kz`m-gn"k),
Cos`mo*gon"ic*al (-gn"-kal), a.
Definition: Belonging to cosmogony. B. Powell. Gladstone.
Source: Webster’s Unabridged Dictionary 1913 Edition