Luminously

adv. [f. LUMINOUS + -LY².] In a luminous manner; with luminosity.

1816.  T. L. Peacock, Headlong Hall, ix. So luminously expounding the nature of Owen Thomas’ mistake.

1884.  Harper’s Mag., Aug., 362. Where swim medusæ luminously.

1888.  H. R. Reynolds, Expos. St. John xxi. Vers. 14–18 are … eminently and luminously Johannine.