[1] : WordNet (r) 2.0

keep going
     v 1: continue uninterrupted; "the disease will run on unchecked";
          "the party kept going until 4 a.m." syn: run on
     2: suffice for a period between two points; "this money will
        keep us going for another year" syn: tide over, bridge
        over
     3: allow to remain in a place or position; "we cannot continue
        several servants any longer"; "she retains a lawyer"; "the
        family's fortune waned and they could not keep their
        household staff"; "our grant has run out and we cannot
        keep you on"; "we kept the work going as long as we could"
        syn: retain, continue, keep, keep on
     4: be a regular customer or client of; "we patronize this
        store"; "our sponsor kept our art studio going for as long
        as he could" syn: patronize, patronise, patronage,
        support
see also:
run on tide over bridge over retain continue keep 
keep on patronize patronise patronage support 

[2] : Moby Thesaurus II by Grady Ward, 1.0

47 moby thesaurus words for "keep going":
   abide, bide, carry on, cease not, continue, drag on, endure,
   extend, go along, go on, hold, hold on, hold steady, jog on, keep,
   keep alive, keep at, keep at it, keep busy, keep driving,
   keep moving, keep on, keep trying, keep up, last, lengthen, linger,
   maintain, never cease, not accept compromise, peg away, perpetuate,
   persevere, persist, plug away, preserve, prolong, protract, remain,
   retain, run on, slog on, stagger on, stay, stay on, sustain,
   tarry

Keep >> K Words
Keep, definition of term: Keep
keep_pag1.html

Going >> G Words
Going, definition of term: Going
going_pag1.html

Keep Down >> K Words
Keep Down, definition of term: Keep Down
keep+down_pag1.html

Keep Back >> K Words
Keep Back, definition of term: Keep Back
keep+back_pag1.html

Keep Away >> K Words
Keep Away, definition of term: Keep Away
keep+away_pag1.html

Going Out >> G Words
Going Out, definition of term: Going Out
going+out_pag1.html

Get Going >> G Words
Get Going, definition of term: Get Going
get+going_pag1.html

Easy Going >> E Words
Easy Going, definition of term: Easy Going
easy+going_pag1.html