The Collaborative International Dictionary of English v.0.48:

Well \Well\, adv. [Compar. and superl. wanting, the deficiency
   being supplied by better and best, from another root.] [OE.
   wel, AS. wel; akin to OS., OFries., & D. wel, G. wohl, OHG.
   wola, wela, Icel. & Dan. vel, Sw. v[aum]l, Goth. wa['i]la;
   originally meaning, according to one's will or wish. See
   Will, v. t., and cf. Wealth.]
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   1. In a good or proper manner; justly; rightly; not ill or
      wickedly.
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            If thou doest not well, sin lieth at the door.
                                                  --Gen. iv. 7.
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   2. Suitably to one's condition, to the occasion, or to a
      proposed end or use; suitably; abundantly; fully;
      adequately; thoroughly.
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            Lot . . . beheld all the plain of Jordan, that it
            was well watered everywhere.          --Gen. xiii.
                                                  10.
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            WE are wellable to overcome it.       --Num. xiii.
                                                  30.
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            She looketh well to the ways of her household.
                                                  --Prov. xxxi.
                                                  27.
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            Servant of God, well done! well hast thou fought
            The better fight.                     --Milton.
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   3. Fully or about; -- used with numbers. [Obs.] "Well a ten
      or twelve." --Chaucer.
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            Well nine and twenty in a company.    --Chaucer.
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   4. In such manner as is desirable; so as one could wish;
      satisfactorily; favorably; advantageously; conveniently.
      "It boded well to you." --Dryden.
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            Know
            In measure what the mind may well contain. --Milton.
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            All the world speaks well of you.     --Pope.
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   5. Considerably; not a little; far.
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            Abraham and Sarah were old and well stricken in age.
                                                  --Gen. xviii.
                                                  11.
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   Note: Well is sometimes used elliptically for it is well, as
         an expression of satisfaction with what has been said
         or done, and sometimes it expresses concession, or is
         merely expletive; as, well, the work is done; well, let
         us go; well, well, be it so.
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   Note: Well, like above, ill, and so, is used before many
         participial adjectives in its usual adverbial senses,
         and subject to the same custom with regard to the use
         of the hyphen (see the Note under Ill, adv.); as, a
         well-affected supporter; he was well affected toward
         the project; a well-trained speaker; he was well
         trained in speaking; well-educated, or well educated;
         well-dressed, or well dressed; well-appearing;
         well-behaved; well-controlled; well-designed;
         well-directed; well-formed; well-meant; well-minded;
         well-ordered; well-performed; well-pleased;
         well-pleasing; well-seasoned; well-steered;
         well-tasted; well-told, etc. Such compound epithets
         usually have an obvious meaning, and since they may be
         formed at will, only a few of this class are given in
         the Vocabulary.
         [1913 Webster]

   As well. See under As.

   As well as, and also; together with; not less than; one as
      much as the other; as, a sickness long, as well as severe;
      London is the largest city in England, as well as the
      capital.

   Well enough, well or good in a moderate degree; so as to
      give satisfaction, or so as to require no alteration.

   Well off, in good condition; especially, in good condition
      as to property or any advantages; thriving; prosperous.

   Well to do, well off; prosperous; -- used also adjectively.
      "The class well to do in the world." --J. H. Newman.

   Well to live, in easy circumstances; well off; well to do.
      --Shak.
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The Collaborative International Dictionary of English v.0.48:

as \as\ ([a^]z), adv. & conj. [OE. as, als, alse, also, al swa,
   AS. eal sw[=a], lit. all so; hence, quite so, quite as: cf.
   G. als as, than, also so, then. See Also.]
   1. Denoting equality or likeness in kind, degree, or manner;
      like; similar to; in the same manner with or in which; in
      accordance with; in proportion to; to the extent or degree
      in which or to which; equally; no less than; as, ye shall
      be as gods, knowing good and evil; you will reap as you
      sow; do as you are bidden.
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            His spiritual attendants adjured him, as he loved
            his soul, to emancipate his brethren. --Macaulay.
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   Note: As is often preceded by one of the antecedent or
         correlative words such, same, so, or as, in expressing
         an equality or comparison; as, give us such things as
         you please, and so long as you please, or as long as
         you please; he is not so brave as Cato; she is as
         amiable as she is handsome; come as quickly as
         possible. "Bees appear fortunately to prefer the same
         colors as we do." --Lubbock. As, in a preceding part of
         a sentence, has such or so to answer correlatively to
         it; as with the people, so with the priest.
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   2. In the idea, character, or condition of, -- limiting the
      view to certain attributes or relations; as, virtue
      considered as virtue; this actor will appear as Hamlet.
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            The beggar is greater as a man, than is the man
            merely as a king.                     --Dewey.
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   3. While; during or at the same time that; when; as, he
      trembled as he spoke.
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            As I return I will fetch off these justices. --Shak.
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   4. Because; since; it being the case that.
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            As the population of Scotland had been generally
            trained to arms . . . they were not indifferently
            prepared.                             --Sir W.
                                                  Scott.
      [1913 Webster] [See Synonym under Because.]
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   5. Expressing concession. (Often approaching though in
      meaning).
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            We wish, however, to avail ourselves of the
            interest, transient as it may be, which this work
            has excited.                          --Macaulay.
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   6. That, introducing or expressing a result or consequence,
      after the correlatives so and such. [Obs.]
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            I can place thee in such abject state, as help shall
            never find thee.                      --Rowe.
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   So as, so that. [Obs.]
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            The relations are so uncertain as they require a
            great deal of examination.            --Bacon.
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   7. As if; as though. [Obs. or Poetic]
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            He lies, as he his bliss did know.    --Waller.
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   8. For instance; by way of example; thus; -- used to
      introduce illustrative phrases, sentences, or citations.
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   9. Than. [Obs. & R.]
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            The king was not more forward to bestow favors on
            them as they free to deal affronts to others their
            superiors.                            --Fuller.
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   10. Expressing a wish. [Obs.] "As have,"

   Note: i. e., may he have. --Chaucer.
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   As . . as. See So . . as, under So.

   As far as, to the extent or degree. "As far as can be
      ascertained." --Macaulay.

   As far forth as, as far as. [Obs.] --Chaucer.

   As for, or As to, in regard to; with respect to.

   As good as, not less than; not falling short of.

   As good as one's word, faithful to a promise.

   As if, or As though, of the same kind, or in the same
      condition or manner, that it would be if.

   As it were (as if it were), a qualifying phrase used to
      apologize for or to relieve some expression which might be
      regarded as inappropriate or incongruous; in a manner.

   As now, just now. [Obs.] --Chaucer.

   As swythe, as quickly as possible. [Obs.] --Chaucer.

   As well, also; too; besides. --Addison.

   As well as, equally with, no less than. "I have
      understanding as well as you." --Job xii. 3.

   As yet, until now; up to or at the present time; still;
      now.
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WordNet (r) 3.0 (2006):

as well
    adv 1: in addition; "he has a Mercedes, too" [syn: besides,
           too, also, likewise, as well]

Moby Thesaurus II by Grady Ward, 1.0:

55 Moby Thesaurus words for "as well":
   above, ad eundem, additionally, again, all included, also,
   altogether, among other things, and all, and also, and so, as,
   au reste, beside, besides, beyond, ceteris paribus,
   correspondingly, else, en plus, equally, equivalently, evenly,
   exactly, extra, farther, for lagniappe, further, furthermore,
   identically, in addition, indifferently, inter alia,
   into the bargain, item, just, likewise, more, moreover,
   on the side, on top of, over, over and above, plus, precisely,
   proportionately, similarly, so, then, therewith, to boot, too,
   without distinction, yea, yet