away, wear off; pass away &c. (be past) 122; be at an end; disintegrate, self-destruct.
     intromit, interrupt, suspend, interpel[obs3]; intermit, remit; put an
end to, put a stop to, put a period to; derail; turn off, switch off, power down, deactivate, disconnect; bring to a stand, bring to a standstill; stop, cut short, arrest, stem the tide, stem the torrent; pull the check-string, pull the plug on. 
     Int. hold! stop! enough! avast! have done! a truce to! soft! leave
off! tenez[Fr]! 
     Phr.  “I pause for a reply” [Julius Caesar].

     #143.  Continuance in action. —­ N. continuance, continuation; run;
perpetuation, prolongation; persistence &c. (perseverance) 604a; repetition &c. 104. 
     V. 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 &c. 604a; harp upon &c. (repeat) 104.
     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[Lat][obs3]; quieta non movere[Lat];
let things take their course; stare decisis [Lat][Jurisprudence]. 
     Adj. continuing &c. v.; uninterrupted, unintermitting[obs3],
unvarying, unshifting[obs3]; unreversed[obs3], unstopped, unrevoked, unvaried; sustained; undying &c. (perpetual) 112; inconvertible. 
     Int. keep it up! go to it! right away! right on! attaboy! 
     Phr. nolumus leges Angliae mutari[Lat][obs3]; vestigia nulla retrorsum
[Lat][Horace]; labitur et albetur [Lat][obs3][Horace].

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     #144. [Gradual change to something different.] Conversion. —­ N.
conversion, reduction, transmutation, resolution, assimilation; evolution, sea change; change of state; assumption; naturalization; transportation; development [biol.], developing [photography].
     [conversion of currency] conversion of currency, exchange of currency;
exchange rate; bureau de change.
     chemistry, alchemy; progress, growth, lapse, flux.
     passage; transit, transition; transmigration, shifting &c. v.; phase;
conjugation; convertibility.
     crucible, alembic, caldron, retort.
     convert, pervert, renegade, apostate. 
     V. be converted into; become, get, wax; come to, turn to, turn into,
evolve into, develop into; turn out, lapse, shift; run into, fall into, pass into, slide into, glide into, grow into, ripen into, open into, resolve itself into, settle into, merge into, emerge as; melt, grow, come round to, mature, mellow; assume the form of, assume the shape of, assume the state of, assume the nature of, assume the character of; illapse|; begin a new phase, assume a new phase, undergo a change.