cosmogonical

from WordNet (r) 3.0 (2006)

cosmogonical
    adj 1: 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" [syn:
           {cosmologic}, {cosmological}, {cosmogonic},
           {cosmogonical}, {cosmogenic}]

from The Collaborative International Dictionary of English v.0.48

Cosmogonal \Cos*mog"o*nal\ (k?z-m?g"?-nal), Cosmogonic
\Cos`mo*gon"ic\ (k?z`m?-g?n"?k), Cosmogonical \Cos`mo*gon"ic*al\
   (-g?n"?-kal), a.
   Belonging to cosmogony. --B. Powell. Gladstone.
   [1913 Webster]