THESAURUS
Persist
abide, adhere, agglomerate, assert, be spared, bide, bottle up, brook no denial, bunch, carry on, carry through, cheat death, clasp, cleave, clinch, cling, cling to, clot, cluster, coagulate, cohere, congeal, conglomerate, contend, continue, continue the same, continue to be, continue to exist, cork up, defeat time, defy time, drag along, drag on, drone, dwell, embrace, endure, exist, extend, freeze to, get along, get on, go on, go on with, grasp, grow together, hang in, hang on, hang together, hang tough, hold, hold in, hold on, hold out, hold together, hug, hum, inhibit, insist, insist on, insist upon, keep, keep alive, keep at, keep at it, keep driving, keep going, keep in, keep on, keep trying, keep up, labor, last, last long, last out, linger, live, live on, live through, lock in, maintain, make out, manage, mass, never say die, not accept compromise, obtain, perdure, perennate, persevere, preserve, press, prevail, remain, repress, retain, run, run on, run through, save, save up, see it through, set, solidify, stand, stand fast, stand firm, stand on, stay, stay on, stay put, stick, stick it out, stick to, stick to it, stick together, strive, subsist, support life, suppress, survive, sustain, take hold of, take no denial, tarry, tide over, toil, urge, wear, wear well
ROGET THESAURUS
Persist
Resolution
VB
have determination, know one's own mind, be resolved, make up one's mind, will, resolve, determine, decide, form a determination, come to a determination, come to a resolution, come to a resolve, conclude, fix, seal, determine once for all, bring to a crisis, drive matters to an extremity, take a decisive step, take upon oneself, devote oneself to, give oneself up to, throw away the scabbard, kick down the ladder, nail one's colors to the mast, set one's back against the wall, set one's teeth, put one's foot down, take one's stand, stand firm, steel oneself, stand no nonsense, not listen to the voice of the charmer, buckle to, buckle oneself put one's shoulder to the wheel, lay one's shoulder to the wheel, set one's shoulder to the wheel, put one's heart into, run the gauntlet, make a dash at, take the bull by the horns, rush in medias res, plunge in medias res, go in for, insist upon, make a point of, set one's heart upon, set one's mind upon, stick at nothing, stop at nothing, make short work of, not stick at trifles, go all lengths, go the limit, go the whole hog, persist, go through fire and water, ride the tiger, ride in the whirlwind and direct the storm.
Perseverance
VB
persevere, persist, hold on, hold out, die in the last ditch, be in at the death, stick to, cling to, adhere to, stick to one's text, keep on, keep to one's course, keep to one's ground, maintain one's course, maintain one's ground, go all lengths, go through fire and water, bear up, keep up, hold up, plod, stick to work, continue, follow up, die in harness, die at one's post.
Obstinacy
VB
be obstinate, stickle, take no denial, fly in the face of facts, opinionate, be wedded to an opinion, hug a belief, have one's own way, persist, have the last word, insist on having the last word, die hard, fight against destiny, not yield an inch, stand out.
Activity
VB
be active, busy oneself in, stir, stir about, stir one's stumps, bestir oneself, rouse oneself, speed, hasten, peg away, lay about one, bustle, fuss, raise up, kick up a dust, push, make a push, make a fuss, make a stir, go ahead, push forward, fight one's way, elbow one's way, make progress, toll, plod, persist, keep up the ball, keep the pot boiling, look sharp, have all one's eyes about one, rise, arouse oneself, hustle, get up early, be about, keep moving, steal a march, kill two birds with one stone, seize the opportunity, lose no time, not lose a moment, make the most of one's time, not suffer the grass to grow under one's feet, improve the shining hour, make short work of, dash off, make haste, do one's best take pains, do wonders, work wonders, have many irons in the fire, have one's hands full, have much on one's hands, have other things to do, have other fish to fry, be busy, not have a moment to spare, not have a moment that one can call one's own, have one's fling, run the round of, go all lengths, stick at nothing, run riot, outdo, overdo, overact, overlay, overshoot the mark, make a toil of a pleasure, have a hand in, take an active part, put in one's oar, have a finger in the pie, mix oneself up with, trouble, one's head about, intrigue, agitate, tamper with, meddle, moil, intermeddle, interfere, interpose, obtrude, poke one's nose in, thrust one's nose in.
Time
VB
continue last endure, go on, remain, persist, intervene, elapse, hold out, take time, take up time, fill time, occupy time, pass time, pass away time, spend time, while away time, consume time, talk against time, tide over, use time, employ time, seize an opportunity, waste time.
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.
Continuance in action
VB
continue, persist, go on, jog on, keep on, run on, hold on, abide, keep, pursue, stick to its course, take its course, maintain its course, carry on, keep up, sustain, uphold, hold up, keep on foot, follow up, perpetuate, maintain, preserve, harp upon, keep going, keep alive, keep the pot boiling, keep up the ball, keep up the good work, die in harness, die with one's boots on, hold on the even tenor of one's way, pursue the even tenor of one's way, let be, stare super antiquas vias, quieta non movere, let things take their course, stare decisis (Jurisprudence).