The word 'heavenly' refers to something divine, ethereal or otherworldly. Some synonyms for the word 'heavenly' include celestial, paradisiacal, seraphic, divine, saintly, ethereal, supernatural, sublime, blissful, and angelic. 'Celestial' emphasizes the heavenly aspect and is used to describe something that's supernatural. 'Paradisiacal' is often used to describe a beautiful utopia or paradise-like place. 'Ethereal' denotes something that is otherworldly and lacks material substance. 'Sublime' suggests greatness or grandeur and is used to describe something of a superior level. 'Blissful' emphasizes the happiness that comes with a heavenly experience. Overall, these synonyms provide alternatives that expand the possibilities of evocative language to describe things of unique, inexplicable beauty.