The apparent surface of the imaginary sphere on which celestial bodies appear to be projected.

synonyms: celestial sphere, firmament, heavens, sphere, vault of heaven, welkin.

Roget 318: world, creation, nature, universe; earth, globe, wide world; cosmos; kosmos^†; terraqueous globe^†, sphere; macrocosm, megacosm^†; music of the spheres.    heavens, sky, welkin^†, empyrean; starry cope, starry heaven, starry host; firmament; Midgard; supersensible regions^†; varuna; vault of heaven, canopy of heaven; celestial spaces.    heavenly bodies, stars, asteroids; nebulae; galaxy, milky way, galactic circle, via lactea [Lat.], ame no kawa [Jap.].    sun, orb of day, Apollo^†, Phoebus; photosphere, chromosphere; solar system; planet, planetoid; comet; satellite, moon, orb of night, Diana, silver-footed queen; aerolite^†, meteor; planetary ring; falling star, shooting star; meteorite, uranolite^†.    constellation, zodiac, signs of the zodiac, Charles's wain, Big Dipper, Little Dipper, Great Bear, Southern Cross, Orion's belt, Cassiopea's chair, Pleiades.    colures^†, equator, ecliptic, orbit.    [Science of heavenly bodies] astronomy; uranography, uranology^†; cosmology, cosmography^†, cosmogony; eidouranion^†, orrery; geodesy etc. (measurement) 466; star gazing, star gazer^†; astronomer; observatory; planetarium.    ... show more

Dutch: omgeving, bol, uitspansel, hemelgewelf, firmament
Polish: firmament, sfera, sfera niebieska

Of or relating to the sky or heavens:
— The empyrean sphere.

synonym: empyreal.

Roget 829: causing pleasure etc. v.; laetificant^†; pleasure-giving, pleasing, pleasant, pleasurable; agreeable; grateful, gratifying; leef^†, lief, acceptable; welcome, welcome as the roses in May; welcomed; favorite; to one's taste, to one's mind, to one's liking; satisfactory etc. (good) 648.    refreshing; comfortable; cordial; genial; glad, gladsome; sweet, delectable, nice, dainty; delicate, delicious; dulcet; luscious etc. 396; palatable etc. 394; luxurious, voluptuous; sensual etc. 377.    [of people] attractive etc. 615; inviting, prepossessing, engaging; winning, winsome; taking, fascinating, captivating, killing; seducing, seductive; heart-robbing, alluring, enticing; appetizing etc. (exciting) 824; cheering etc. 836; bewitching; enchanting, entrancing, enravishing^†.    charming; delightful, felicitous, exquisite; lovely etc. (beautiful) 845; ravishing, rapturous; heartfelt, thrilling, ecstatic; beatic^†; beatific; seraphic; empyrean; elysian etc. (heavenly) 981.    palmy, halcyon, Saturnian.    ... show more

Inspiring awe:
— Empyrean aplomb.

synonyms: empyreal, sublime.