bolster, conserve, continue, embalm, eternalize, eternize, extend, freeze, hold, immortalize, keep, keep alive, keep fresh, keep going, keep on, keep up, lengthen, maintain, memorialize, monumentalize, perennialize, preserve, preserve from oblivion, prolong, protract, retain, secure, support, sustain
last forever, endure forever, go on forever, have no end, eternize, perpetuate
Continuance in action
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).
be firm, stick fast, stand firm, keep firm, remain firm, weather the storm, stay the course, stick to the course, keep the faith, don't give in, don't buckle under, settle, establish, stablish, ascertain, fix, set, stabilitate, retain, keep hold, make good, make sure, fasten, set on its legs, float, perpetuate
, settle down, strike roots, put down roots, take root, take up one's abode, build one's house on a rock.