Sage

Sage could refer to:
 * Tessa, Also known as Sage. Tessa was a spy for Professor Charles Xavier who had infiltrated the Hellfire Club and served as an aide to the Black King, Sebastian Shaw. She later joined the X-Treme X-Men team. Tessa is a mutant cyberpath and has the ability to interface and communicate with computers, computer mainframes, and any data processors at a speed that's equal to, if not greater than, that of the computer itself.
 * Sage, Nebraska, Sage is a fictional city located in the U.S. state of Nebraska. It is believed to be located not far from the city of Omaha, perhaps even bordering it. Sage plays a small yet vital role in the X-Men family of comic book titles. The State Home for Foundlings, which plays a major part in the origin of the mutant superhero Cyclops is located in Sage. It's exact first appearance is a bit unclear, but it is widely accepted that Uncanny X-Men #240 may very well be the first time that the city has been seen in the context of the Marvel Universe.