transplendent Resplendent in the highest degree. Etymologically related 'light, shine, glow' word families: ethero-; fulg-; luco-; lumen-, lum-; luna, luni-; lustr-; phengo-; pheno-; phospho-; photo-; scinti-, scintill-. Found on http://www.wordinfo.info/words/index/info/view_unit/2014/