[1] : The Collaborative International Dictionary of English v.0.48

soon \soon\ s=oon, adv. oe. sone, as. s=ona; cf. ofries.
   s=on, os. s=ana, s=ano, ohg. s=ar, goth. suns.
   1. in a short time; shortly after any time specified or
      supposed; as, soon after sunrise. "sooner said than done."
      --old proverb. "as soon as it might be." --chaucer.
      1913 webster

            she finished, and the subtle fiend his lore
            soon learned.                         --milton.
      1913 webster

   2. without the usual delay; before any time supposed; early.
      1913 webster

            how is it that ye are come so soon to-day? --ex. ii.
                                                  18.
      1913 webster

   3. promptly; quickly; easily.
      1913 webster

            small lights are soon blown out, huge fires abide.
                                                  --shak.
      1913 webster

   4. readily; willingly; -- in this sense used with would, or
      some other word expressing will.
      1913 webster

            i would as soon see a river winding through woods or
            in meadows, as when it is tossed up in so many
            whimsical figures at versailles.      --addison.
      1913 webster

   as soon as, or so soon as, immediately at or after
      another event. "as soon as he came nigh unto the camp . .
      . he saw the calf, and the dancing." --ex. xxxii. 19. see
      so . . . as, under so.

   soon at, as soon as; or, as soon as the time referred to
      arrives. obs. "i shall be sent for soon at night."
      --shak.

   sooner or later, at some uncertain time in the future; as,
      he will discover his mistake sooner or later.

   with the soonest, as soon as any; among the earliest; too
      soon. obs. --holland.
      1913 webster
see also:
as soon as so soon as so . . . as so soon at sooner or later 
with the soonest 

Soonest >> S Words
Soonest, definition of term: Soonest
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