dazzling; glorious; brilliant; splendid; brightly shining
She wore a black evening dress and many pieces of resplendent jewellery.
re (intensive prefix)#splendere (shine, be splendid) (Latin)
luminous, lustrous, refulgent, resplendent
resplendent looks and sounds like splendid. Word gives out the definition itself. word 'resplendent' is synonym of 'splendid'. (focus on 'splend' in both the words) resPlENDENT: Pendent, if gold, is shining and glowing.