Lewis & Short

Sanates dicti sunt, qui supra infraque Romam habitaverunt: quod nomen ideo his est inditum, quia cum defecissent a Romanis, brevi post in amicitiam quasi sanatā mente redierunt, Fest. p. 326 Müll.
The word occurred in the laws of the Twelve Tables, acc. to Gell. 16, 10, 8, and Fest. l. l.