asylum
asy.lum \*-'si--l*m\ n [ME, fr. L, fr. Gk asylon, neut. of asylos inviolable, fr. a-] + sylon right of seizure 1: an inviolable place of refuge and protection giving shelter to criminals and debtors : SANCTUARY 2: a place of retreat and security : SHELTER 3a: the protection or inviolability afforded by an asylum : REFUGE 3b: protection from arrest and extradition given esp. to political refugees by a nation or by an embassy or other agency enjoying diplomatic immunity 4: an institution for the relief or care of the destitute or afflicted and esp. the insane
Webster's English Dictionary