THESAURUS
stagnate
be a sideliner, be still, coast, constipate, decay, decline, decompose, degenerate, delay, deteriorate, do nothing, drift, fust, go to pot, go to seed, hang fire, hibernate, idle, just be, languish, lie dormant, merely exist, moulder, not budge, not stir, pass the time, rest, rot, rust, sit back, sit it out, sleep, slumber, smolder, spoil, stifle, trammel, vegetate, wait and see, watch and wait
ROGET THESAURUS
stagnate
Quiescence
VB
be quiescent, stand still, lie still, keep quiet, repose, hold the breath, remain, stay, stand, lie to, ride at anchor, remain in situ, tarry, mark time, bring to, heave to, lay to, pull up, draw up, hold, halt, stop, stop short, rest, pause, anchor, cast to an anchor, come to an anchor, rest on one's oars, repose on one's laurels, take breath, stop,
stagnate, quieta non movere, let alone, abide, rest and be thankful, keep within doors, stay at home, go to bed, dwell, settle, alight, stick, stick fast, stand like a post, not stir a peg, not stir a step, be at a stand, quell, becalm, hush, stay, lull to sleep, lay an embargo on.