THESAURUS
keep on
abide, bide, carry on, cease not, continue, continue to be, defeat time, defy time, drag on, dwell, endure, exist, extend, go along, go on, hold, hold on, hold out, hold steady, jog on, keep, keep at, keep at it, keep busy, keep driving, keep going, keep moving, keep trying, keep up, last, last long, last out, linger, live, live on, live through, maintain, never cease, not accept compromise, peg away, perdure, perennate, persevere, persist, plug away, prevail, remain, run, run on, slog on, stagger on, stand, stay, stay on, subsist, survive, sustain, tarry, tide over, wear, wear well
ROGET THESAURUS
keep on
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.
Frequency
VB
recur, do nothing but, keep,
keep on.
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).