The Collaborative International Dictionary of English v.0.48:

Never \Nev"er\ (n[e^]v"[~e]r), adv. [AS. n[=ae]fre; ne not, no +
   [=ae]fre ever.]
   1. Not ever; not at any time; at no time, whether past,
      present, or future. --Shak.
      [1913 Webster]

            Death still draws nearer, never seeming near.
                                                  --Pope.
      [1913 Webster]

   2. In no degree; not in the least; not.
      [1913 Webster]

            Whosoever has a friend to guide him, may carry his
            eyes in another man's head, and yet see never the
            worse.                                --South.
      [1913 Webster]

            And he answered him to never a word.  --Matt. xxvii.
                                                  14.
      [1913 Webster]

   Note: Never is much used in composition with present
         participles to form adjectives, as in never-ceasing,
         never-dying, never-ending, never-fading, never-failing,
         etc., retaining its usual signification.
         [1913 Webster]

   Never a deal, not a bit. [Obs.] --Chaucer.

   Never so, as never before; more than at any other time, or
      in any other circumstances; especially; particularly; --
      now often expressed or replaced by ever so.

            Ask me never so much dower and gift.  --Gen. xxxiv.
                                                  12.

            A fear of battery, . . . though never so well
            grounded, is no duress.               --Blackstone.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ever \Ev"er\adv. [OE. ever, [ae]fre, AS. [ae]fre; perh. akin to
   AS. [=a] always. Cf. Aye, Age,Evry, Never.]
   [Sometimes contracted into e'er.]
   1. At any time; at any period or point of time.
      [1913 Webster]

            No man ever yet hated his own flesh.  --Eph. v. 29.
      [1913 Webster]

   2. At all times; through all time; always; forever.
      [1913 Webster]

            He shall ever love, and always be
            The subject of by scorn and cruelty.  --Dryder.
      [1913 Webster]

   3. Without cessation; continually.
      [1913 Webster]

   Note: Ever is sometimes used as an intensive or a word of
         enforcement. "His the old man e'er a son?" --Shak.
         [1913 Webster]

               To produce as much as ever they can. --M. Arnold.
         [1913 Webster]

   Ever and anon, now and then; often. See under Anon.

   Ever is one, continually; constantly. [Obs.] --Chaucer.

   Ever so, in whatever degree; to whatever extent; -- used to
      intensify indefinitely the meaning of the associated
      adjective or adverb. See Never so, under Never. "Let
      him be ever so rich." --Emerson.
      [1913 Webster]

            And all the question (wrangle e'er so long),
            Is only this, if God has placed him wrong. --Pope.
      [1913 Webster]

            You spend ever so much money in entertaining your
            equals and betters.                   --Thackeray.

   For ever, eternally. See Forever.

   For ever and a day, emphatically forever. --Shak.
      [1913 Webster]

            She [Fortune] soon wheeled away, with scornful
            laughter, out of sight for ever and day. --Prof.
                                                  Wilson.

   Or ever (for or ere), before. See Or, ere. [Archaic]
      [1913 Webster]

            Would I had met my dearest foe in heaven
            Or ever I had seen that day, Horatio! --Shak.
      [1913 Webster]

   Note: Ever is sometimes joined to its adjective by a hyphen,
         but in most cases the hyphen is needless; as, ever
         memorable, ever watchful, ever burning.
         [1913 Webster]

WordNet (r) 3.0 (2006):

ever so
    adv 1: (intensifier for adjectives) very; "she was ever so
           friendly" [syn: ever, ever so]

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "ever so":
   a deal, a fortiori, a great deal, a lot, above all, abundantly,
   all the more, as all creation, as all get-out, beaucoup, chiefly,
   considerable, considerably, dominantly, especially, even,
   ever so much, first of all, galore, greatly, highly, in chief,
   in great measure, in the main, indeed, largely, mainly,
   more than ever, mostly, much, muchly, never so, no end, no end of,
   not a little, particularly, peculiarly, plenty, predominantly,
   pretty much, primarily, principally, so, so very much, still more,
   to the skies, very much, yea