THESAURUS
Subsist
abide, be, be alive, be animate, be extant, be found, be in existence, be left, be met with, be present, be the case, be there, bide, breathe, carry on, continue, continue to be, cope, defeat time, defy time, draw breath, dwell, eke out, endure, exist, extend, fetch breath, get by, go on, happen to be, have being, have life, have place, hold, hold on, hold out, keep, keep afloat, keep on, last, last long, last out, live, live and breathe, live on, live through, maintain, make ends meet, make out, manage, move, obtain, occur, perdure, perennate, persist, prevail, remain, respire, rest, run, run on, scrape along, stand, stay, stay on, survive, sustain, tarry, tide over, walk the earth, wear, wear well
ROGET THESAURUS
Subsist
Existence
VB
exist, be, have being, subsist, live, breathe, stand, obtain, be the case, occur, have place, prevail, find oneself, pass the time, vegetate, consist in, lie in, be comprised in, be contained in, be constituted by, come into existence, arise, come forth, become, bring into existence, abide, continue, endure, last, remain, stay.
Permanence
VB
let alone, let be, let it be, persist, remain, stay, tarry, rest, stet (copy editing) hold, hold on, last, endure, bide, abide, aby, dwell, maintain, keep, stand, stand still, stand fast, subsist, live, outlive, survive, hold one's ground, keep one's ground, hold one's footing, keep one's footing, hold good.
Life
VB
be alive, live, breathe, respire, subsist, walk the earth, strut and fret one's hour upon the stage, be spared, see the light, be born, come into the world, fetch breath, draw breath, fetch the breath of life, draw the breath of life, quicken, revive, come to life, give birth to, bring to life, put into life, vitalize, vivify, vivificate, reanimate, keep alive, keep body and soul together, keep the wolf from the door, support life, hive nine lives like a cat.