Lewis Short
(adjective) : praedictīvus, a, um, id.
* Foretelling, predictive; in medicine, prognosticating: item libro praedictivo, quem προρρητικόν appellavit (Hippocrates), Cael. Aur. Acut. 1, 12, 100.
Charlton T. Lewis, Charles Short, A Latin Dictionary