Lewis & Short

prae-nĭtĕo, ŭi, 2, v. n., to shine or glitter forth (poet. and in post-Aug. prose).

  1. I. Lit.: vestes praenitent, App. M. 5, p. 162, 37: luna subito praenitens, Plin. 2, 9, 6, § 42: juvenis veste niveā praenitens, App. M. 11, p. 261, 21.
    With dat.: cur tibi junior praeniteat, appear more attractive, Hor. C. 1, 33, 4: unius facies praenitet omnibus, shines brighter than they all, outshines them all, Sen. Med. 93.
  2. II. Trop.: gentes, quarum titulis forum Augusti praenitet, Vell. 2, 39, 2: virtus Catonis conspicua atque praenitens, id. 2, 35, 1 (2, 59, 1 dub.).