The Collaborative International Dictionary of English v.0.48:

Much \Much\, n.
   1. A great quantity; a great deal; also, an indefinite
      quantity; as, you have as much as I.
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            He that gathered much had nothing over. --Ex. xvi.
                                                  18.
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   Note: Muchin this sense can be regarded as an adjective
         qualifying a word unexpressed, and may, therefore, be
         modified by as, so, too, very.
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   2. A thing uncommon, wonderful, or noticeable; something
      considerable.
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            And [he] thought not much to clothe his enemies.
                                                  --Milton.
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   To make much of, to treat as something of especial value or
      worth.
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The Collaborative International Dictionary of English v.0.48:

Much \Much\ (m[u^]ch), a. [Compar. & superl. wanting, but
   supplied by More (m[=o]r), and Most (m[=o]st), from
   another root.] [OE. moche, muche, miche, prob. the same as
   mochel, muchel, michel, mikel, fr. AS. micel, mycel; cf. Gr.
   me`gas, fem. mega`lh, great, and Icel. mj["o]k, adv., much.
   [root]103. See Mickle.]
   1. Great in quantity; long in duration; as, much rain has
      fallen; much time.
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            Thou shalt carry much seed out into the field, and
            shalt gather but little in.           --Deut.
                                                  xxviii. 38.
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   2. Many in number. [Archaic]
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            Edom came out against him with much people. --Num.
                                                  xx. 20.
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   3. High in rank or position. [Obs.] --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Much \Much\, adv. [Cf. Icel. mj["o]k. See Much, a.]
   To a great degree or extent; greatly; abundantly; far;
   nearly. "Much suffering heroes." --Pope.
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         Thou art much mightier than we.          --Gen. xxvi.
                                                  16.
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         Excellent speech becometh not a fool, much less do
         lying lips a prince.                     --Prov. xvii.
                                                  7.
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         Henceforth I fly not death, nor would prolong
         Life much.                               --Milton.
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         All left the world much as they found it. --Sir W.
                                                  Temple.
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WordNet (r) 3.0 (2006):

much
    adv 1: to a great degree or extent; "she's much better now"
    2: very; "he was much annoyed"
    3: to a very great degree or extent; "I feel a lot better"; "we
       enjoyed ourselves very much"; "she was very much interested";
       "this would help a great deal" [syn: a lot, lots, a good
       deal, a great deal, much, very much]
    4: (degree adverb used before a noun phrase) for all practical
       purposes but not completely; "much the same thing happened
       every time"; "practically everything in Hinduism is the
       manifestation of a god" [syn: much, practically]
    5: frequently or in great quantities; "I don't drink much"; "I
       don't travel much" [syn: much, a great deal, often]
    adj 1: (quantifier used with mass nouns) great in quantity or
           degree or extent; "not much rain"; "much affection";
           "much grain is in storage" [ant: little(a), slight]
    n 1: a great amount or extent; "they did much for humanity"

Moby Thesaurus II by Grady Ward, 1.0:

208 Moby Thesaurus words for "much":
   a deal, a great deal, a lot, abounding, abundance, abundant,
   abundantly, acres, affluence, affluent, again and again,
   all-sufficing, ample, ample sufficiency, ampleness, amplitude,
   aplenty, as all creation, as all get-out, avalanche, bags, barrel,
   barrels, bay, beaucoup, bonanza, bottomless, bounteous, bountiful,
   bountifulness, bountiousness, bumper crop, bushel, cater to,
   cocker, coddle, considerable, considerably, copious, copiousness,
   cosset, countless, countlessness, diffuse, effuse, eminently,
   epidemic, ever so, ever so much, exceedingly, exceptionally,
   excess, exhaustless, extravagance, extravagant, extremely,
   exuberance, exuberant, fat, fertile, fertility, flood, flow, flush,
   foison, frequently, full, full measure, fullness, galore,
   generosity, generous, generousness, great abundance, great deal,
   great plenty, greatly, gush, heap, highly, hugely, humor,
   in great measure, in plenty, in quantity, indulge, inexhaustible,
   landslide, largely, lashings, lavish, lavishness, liberal,
   liberality, liberalness, load, lot, lots, lump, luxuriance,
   luxuriant, many, mass, maximal, maximum, mess, mollycoddle,
   more than enough, mountain, muchly, multiplicity, multitude,
   multitudinous, myriad, myriads, never so, no end, no end of,
   not a little, notably, numerous, numerousness, ocean, oceans, oft,
   oftentimes, ofttimes, opulence, opulency, opulent, outpouring,
   over and over, overage, overflow, overflowing, oversupply, pack,
   pamper, peck, pile, plenitude, plenitudinous, plenteous,
   plenteousness, plentiful, plentifulness, plenty, plethora, power,
   pretty much, prevailing, prevalence, prevalent, prodigal,
   prodigality, productive, productiveness, profuse, profuseness,
   profusion, profusive, quantities, quantity, rampant, repeatedly,
   replete, repleteness, repletion, rich, rich harvest, rich vein,
   richness, rife, riot, riotous, riotousness, running over, scads,
   sea, shower, sight, so, so very much, spate, spoil, stream,
   substantiality, substantialness, superabundance, superabundant,
   superfluity, surpassingly, teeming, teemingness, to the skies,
   tons, very much, volume, wealth, wealthy, well-found,
   well-furnished, well-nigh, well-provided, well-stocked, wholesale,
   world, worlds