Lewis Short
clāresco, clārui, 2
* V. inch. n. [clareo] (poet. or in post-Aug. prose), to become or grow bright or clear.
* Prop.
* Of the sight, to begin to shine, become visible: tecta luminibus clarescunt,Tac. A. 15, 37: clarescit dies,Sen. Herc. Fur. 123; Val. Fl. 7, 3; cf. Claud. Nupt. Hon. et Mar. 185 al.
* Trop.
* To become clear, manifest, evident, obvious: alid ex alio clarescet,Lucr. 1, 1115; 5, 1456: verba ipso materiae nitore clarescunt,Quint. 3, 8, 61; 8, 5, 19; 6, 4, 9; Macr. Somn. Scip. 2, 12.
* In character, to become illustrious, famous, renowned (poet. and in post-Aug. prose): aliud clarescit et e contemptibus exit,Lucr. 5, 833 Lachm. N. cr.: quoquo facinore clarescere,Tac. A. 4, 52: magnis inimicitiis,id. H. 2, 53: quia facilius inter ancipitia clarescunt,id. G. 14; id. Or. 36; Claud. C. Mall. Theod. 3: ex gente Domitiā duae familiae claruerunt,Suet. Ner. 1; cf. id. Gram. 17; Just. 2, 1.
Charlton T. Lewis, Charles Short, A Latin Dictionary