Synonyms and related words :
be spared, cheat death, conserve, copyright, embalm, endure, eternalize, eternize, extend, freeze, guard, hang on, hold, immortalize, keep, keep fresh, keep going, keep intact, keep inviolate, keep safe, keep up, last, lengthen, maintain, monumentalize, not destroy, not endanger, not expend, not use up, not waste, patent, perennialize, perpetuate, persist, preserve, preserve from oblivion, prolong, protect, protract, register, retain, save, spare, support, support life, survive, sustain, uphold