thereupon

• POS: Adverb
• HYPHEN: there=up=on

CIDE DICTIONARY

thereupon, adv. 

•  Upon that or this; thereon.  Zeph. ii. 7.  [1913 Webster]
•  On account, or in consequence, of that; therefore.  [1913 Webster]

  "[He] hopes to find you forward, . . .
  And thereupon he sends you this good news."  [1913 Webster]
•  Immediately; at once; without delay.  [1913 Webster]

OXFORD DICTIONARY

thereupon, adv.
1 in consequence of that.
2 soon or immediately after that.
3 archaic upon that (of motion or position).

ROGET THESAURUS

thereupon

Time

N time, duration, period, term, stage, space, span, spell, season, the whole time, the whole period, space-time, course, snap, intermediate time, while, interim, interval, pendency, intervention, intermission, intermittence, interregnum, interlude, respite, era, epoch, time of life, age, year, date, decade, moment, glass of time, sands of time, march of time, Father Time, ravages of time, arrow of time, river of time, whirligig of time, noiseless foot of time, scythe, continuing, on foot, permanent, while, whilst, during, pending, during the time, during the interval, in the course of, at that point, at that point in time, for the time being, day by day, in the time of, when, meantime, meanwhile, in the meantime, in the interim, ad interim, pendente lite, de die in diem, from day to day, from hour to hour, hourly, always, for a time, for a season, till, until, up to, yet, as far as, by that time, so far, hereunto, heretofore, prior to this, up to this point, the whole time, all the time, all along, throughout, for good, hereupon, thereupon, whereupon, then, anno Domini, A, D, ante Christum, A, C, before Christ, B, C, anno urbis conditae, A, U, C, anno regni, A, R, once upon a time, one fine morning, one fine day, one day, once, time flies, tempus fugit, time runs out, time runs against, race against time, racing the clock, time marches on, time is of the essence, time and tide wait for no man, ad calendas Groecas, panting Time toileth after him in vain, 'gainst the tooth of time and razure of oblivion, rich with the spoils of time, tempus edax rerum, the long hours come and go, the time is out of joint, Time rolls his ceaseless course, Time the foe of man's dominion, time wasted is existence, used is life, truditur dies die, volat hora per orbem, carpe diem.

Posteriority

N posteriority, succession, sequence, following, subsequence, supervention, futurity, successor, sequel, remainder, reversion, subsequent, posterior, following, after, later, succeeding, postliminious, postnate, postdiluvial, postdiluvian, puisne, posthumous, future, afterdinner, postprandial, subsequently, after, afterwards, since, later, at a subsequent, at a later period, at a later date, next, in the sequel, close upon, thereafter, thereupon, upon which, eftsoons, from that time, from that moment, after a while, after a time, in process of time.