Lewis Short
(adjective) : pĕr-ēlĕgans, antis
* Very neat, fine, or elegant (class.): genus,Cic. de Or. 2, 67, 270: oratio,id. Planc. 24, 58: ingenium,Vell. 1, 7, 1.—Adv.: pĕr-ēlĕganter, very finely, very elegantly: pereleganter dicere,Cic. Brut. 52, 197.
Charlton T. Lewis, Charles Short, A Latin Dictionary