Source : Webster's Revised Unabridged Dictionary (1913)

Cosmological \Cos`mo*log"ic*al\ (k?z`m?-l?j"?-kal), a.
   Of or pertaining to cosmology.

Source : WordNet®

cosmological
     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}, {cosmogonic}, {cosmogonical},
             {cosmogenic}, {cosmogenical}]
     2: pertaining to the branch of philosophy dealing with the
        elements and laws and especially the characteristics of
        the universe such as space and time and causality;
        "cosmologic philosophy"; "a cosmological argument is an
        argument that the universe demands the admission of an
        adequate external cause which is God" [syn: {cosmologic}]