run, follow, mark, pass, span, hold up, play out, persist, survive, thrive, succeed, progress, last, retain, move forward, remain, anchor, perpetuate, draw out, protract, continue, maintain (a tradition), establish (a tradition), prolong, roll along, keep on

protect, stretch, lengthen, maintain, sustain, save, conserve, renew, revive, preserve, safeguard, prolong, uphold, sentinel