The Collaborative International Dictionary of English v.0.48:

-some \-some\ (-s[=o]m).
   A combining form or suffix from Gr. sw^ma (gen. sw`matos) the
   body; as in merosome, a body segment; cephalosome, etc.
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The Collaborative International Dictionary of English v.0.48:

-some \-some\ (-s[u^]m). [AS. -sum; akin to G. & OHG. -sam,
   Icel. samr, Goth. lustusams longed for. See Same, a., and
   cf. Some, a.]
   An adjective suffix having primarily the sense of like or
   same, and indicating a considerable degree of the thing or
   quality denoted in the first part of the compound; as in
   mettlesome, full of mettle or spirit; gladsome, full of
   gladness; winsome, blithesome, etc.
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The Collaborative International Dictionary of English v.0.48:

Some \Some\ (s[u^]m), a. [OE. som, sum, AS. sum; akin to OS.,
   OFries., & OHG. sum, OD. som, D. sommig, Icel. sumr, Dan.
   somme (pl.), Sw. somlige (pl.), Goth. sums, and E. same.
   [root]191. See Same, a., and cf. -some.]
   1. Consisting of a greater or less portion or sum; composed
      of a quantity or number which is not stated; -- used to
      express an indefinite quantity or number; as, some wine;
      some water; some persons. Used also pronominally; as, I
      have some.
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            Some theoretical writers allege that there was a
            time when there was no such thing as society.
                                                  --Blackstone.
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   2. A certain; one; -- indicating a person, thing, event,
      etc., as not known individually, or designated more
      specifically; as, some man, that is, some one man. "Some
      brighter clime." --Mrs. Barbauld.
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            Some man praiseth his neighbor by a wicked intent.
                                                  --Chaucer.
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            Most gentlemen of property, at some period or other
            of their lives, are ambitious of representing their
            county in Parliament.                 --Blackstone.
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   3. Not much; a little; moderate; as, the censure was to some
      extent just.
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   4. About; near; more or less; -- used commonly with numerals,
      but formerly also with a singular substantive of time or
      distance; as, a village of some eighty houses; some two or
      three persons; some hour hence. --Shak.
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            The number slain on the rebel's part were some two
            thousand.                             --Bacon.
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   5. Considerable in number or quantity. "Bore us some leagues
      to sea." --Shak.
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            On its outer point, some miles away.
            The lighthouse lifts its massive masonry.
                                                  --Longfellow.
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   6. Certain; those of one part or portion; -- in distinction
      from other or others; as, some men believe one thing,
      and others another.
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            Some [seeds] fell among thorns; . . . but other fell
            into good ground.                     --Matt. xiii.
                                                  7, 8.
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   7. A part; a portion; -- used pronominally, and followed
      sometimes by of; as, some of our provisions.
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            Your edicts some reclaim from sins,
            But most your life and blest example wins. --Dryden.
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   All and some, one and all. See under All, adv. [Obs.]
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   Note: The illiterate in the United States and Scotland often
         use some as an adverb, instead of somewhat, or an
         equivalent expression; as, I am some tired; he is some
         better; it rains some, etc.
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   Some . . . some, one part . . . another part; these . . .
      those; -- used distributively.
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            Some to the shores do fly,
            Some to the woods, or whither fear advised.
                                                  --Daniel.
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   Note: Formerly used also of single persons or things: this
         one . . . that one; one . . . another.
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               Some in his bed, some in the deep sea. --Chaucer.
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WordNet (r) 3.0 (2006):

some
    adv 1: (of quantities) imprecise but fairly close to correct;
           "lasted approximately an hour"; "in just about a minute";
           "he's about 30 years old"; "I've had about all I can
           stand"; "we meet about once a month"; "some forty people
           came"; "weighs around a hundred pounds"; "roughly
           $3,000"; "holds 3 gallons, more or less"; "20 or so
           people were at the party" [syn: approximately, about,
           close to, just about, some, roughly, more or
           less, around, or so]
    adj 1: quantifier; used with either mass nouns or plural count
           nouns to indicate an unspecified number or quantity;
           "have some milk"; "some roses were still blooming";
           "having some friends over"; "some apples"; "some paper"
           [ant: all(a), no(a)]
    2: relatively much but unspecified in amount or extent; "we
       talked for some time"; "he was still some distance away"
    3: relatively many but unspecified in number; "they were here
       for some weeks"; "we did not meet again for some years"
    4: remarkable; "that was some party"; "she is some skier"

Moby Thesaurus II by Grady Ward, 1.0:

91 Moby Thesaurus words for "some":
   Daedalian, a, about, adept, adroit, all but, almost, an, any,
   anything, approximately, apt, artistic, as good as, aught,
   authoritative, bravura, brilliant, certain, circa, clean, clever,
   composite, coordinated, crack, crackerjack, cunning, cute, daedal,
   deft, dexterous, dextrous, diplomatic, divers, excellent, expert,
   fairly, fancy, good, goodish, graceful, handy, ingenious,
   just about, kind of, magisterial, masterful, masterly, measured,
   moderately, more, more or less, more than one, most, nearly, neat,
   no mean, not singular, numerous, one, plural, pluralistic,
   plurative, plus ou moins, politic, practically, professional,
   proficient, quantified, quantitative, quantitive, quantized, quick,
   quite some, ready, resourceful, skillful, slick, something,
   somewhat, statesmanlike, stylish, sundry, tactful, the compleat,
   the complete, various, virtuoso, well-done, well-nigh,
   workmanlike