celestial; heavenly 2. of, coming from, or being in the sky or high above

This word appears in a New Yorker review of War of the Worlds: “Spielberg has always been a master of premonition, anticipation, and arrival; many of us have happy memories of the radiant epiphanies in “Close Encounters of the Third Kind,” in which extraterrestrials, their scaly arms outstretched, emerged from supernal light as a higher form of benevolent being.”