Source : Webster's Revised Unabridged Dictionary (1913)

Jovian \Jo"vi*an\, a.
   Of or pertaining to Jove, or Jupiter (either the deity or the
   planet).

Source : WordNet®

Jovian
     adj 1: of or pertaining to or characteristic of or resembling the
            planet Jupiter; "Jovian satellites"
     2: of or pertaining to or befitting the Roman deity Jupiter;
        "Jovian thunderbolts"; "Jovian wrath"