4 adjectives to describe refined

Cursed be the wit, which cruelty refines, Or to his father's rod the scorpion's joins!

The black ducks mounting from the lake, The pigeon in the pines, The bittern's boom, a desert make Which no false art refines.

what a sound!art's pond'rous fabric reels, Beneath machinery's ten thousand wheels; Loud falls the stamp, the whirling lathes resound, And engines heave, while hammers clatter round: What labour forges, patient art refines, Till bright as dazz'ling day metallic beauty shines.

A specimen of his praise follows, "Thy Prose in sweeter Harmony refines, Than Numbers flowing thro' the Muse's Lines; What Beauty ne'er could melt, thy Touches fire, And raise a Musick that can Love inspire; Soul-thrilling Accents all our Senses wound, And strike with Softness, whilst they charm with Sound!

4 adjectives to describe  refined