Escapology was the technique of extrication from confinement.
The Twelfth Doctor said he taught Harry Houdini everything he knew. (COMIC: The Swords of Kali) On other occasions, the Doctor gave credit to Houdini for his escapology know-how. (PROSE: The Sorcerer's Apprentice, TV: Planet of the Spiders, Revenge of the Cybermen, AUDIO: 1001 Nights, COMIC: Voyager, COMIC: Facades, PROSE: Cat's Cradle: Time's Crucible, Independence Day, Frontier Worlds, TV: Dreamland, GAME: Shadows of the Vashta Nerada) The Third Doctor specifically said Houdini taught him everything he knew. (PROSE: Independence Day)