From the obsolete sense of the English verb splendish (“to shine”), from Latin splendere (“to shine”), or from resplend + -ent, from Latin resplendere.
resplendent (comparative more resplendent, superlative most resplendent)
- Shiny and colourful, and thus pleasing to the eye.
1927, F. E. Penny, chapter 4, in Pulling the Strings:
Soon after the arrival of Mrs. Campbell, dinner was announced by Abboye. He came into the drawing room resplendent in his gold-and-white turban. […] His cummerbund matched the turban in gold lines.
- (mathematics) Exhibiting the property of resplendency in Peano arithmetic.
shiny and colourful, and thus pleasing to the eye