mature, artificial, practical.
effortless, straightforward
A synonym for varied is diverse.
A synonym for temper is temperament.
I don't think there is a synonym for adjoined it is an antonym.
Secure is a synonym for safe.
Doable.
macabre
Elderly?
effortless, straightforward
Stylish, graceful, tasteful, sophisticated, chic.
cardinal, vermilion, rubicund
excellent, competent, talented
creative, cultured, original, sophisticated, refined, aesthetic, eloquent, discerning
stylish, fine, sophisticated, delicate, handsome, grandeur, refinement, gracefulness
colossal, enormous, extensive, gigantic, paramount, powerful
informed, aware, reasonable, educated, sophisticated, cultivated, open-minded, knowledgeable
deficient, imperfect, incorrect, substandard, immoral, distressing