some

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Being an unspecified number or quantity.
• adjective Being a portion or an unspecified number or quantity of a whole or group.
• adjective Being a considerable number or quantity.
• adjective Unknown or unspecified by name.
• adjective Logic Being part and perhaps all of a class.
• adjective Informal Remarkable.
• pronoun An indefinite or unspecified number or portion.
• pronoun An indefinite additional quantity.
• adverb Approximately; about.
• adverb Informal Somewhat.

from The Century Dictionary.

• In some degree: to some extent; somewhat: as. I am some better; it is some cold.
• As; so; ever: used indefinitely after certain adverbs and pronouns, like so, soever.
• A suffix used to form adjectives from nouns or adjectives, as mettlesome, blithesome, lonesome, gladsome, gamesome, gruesome, quarrelsome, toothsome, troublesome, wholesome, winsome.
• A; a certain; one: noting a person or thing indefinitely, either as unknown or as unspecified.
• In this sense often fallowed by a correlative other or another.
• A certain indefinite or indeterminate quantity or part of; more or less: often so used as to denote a small quantity or a deficiency: as, bring some water; eat some bread.
• In logic, at least one, perhaps all; but a few logicians sometimes employ a semidefinite some which implies a part, but not all.
• A certain indefinite or indeterminate number of: used before plural substantives: as, some years ago.
• Hence A certain number of, stated approximately: in a quasi-adverbial use before a numeral or other word of number: as, a place some seventy miles distant; some four or five of us will be there.
• A certain person; one.
• A certain quantity, part, or number, as distinguished from the rest: as, some of them are dead; we ate some of our provisions, and gave away the rest.
• In this sense some is very commonly repeated, some … some (or, formerly, other some, as in Acts xvii. 18) meaning ‘a number … others,’ or ‘the rest.’
• The plural some is occasionally used in the possessive.
• Some, as originally used partitively with numbers (AS. feówra sum, one of four, etc.), has come to be an apparent distributive suffix, as in foursome, sevensome.

from the GNU version of the Collaborative International Dictionary of English.

• adjective 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. Used also pronominally.
• adjective A certain; one; -- indicating a person, thing, event, etc., as not known individually, or designated more specifically.
• adjective Not much; a little; moderate.
• adjective About; near; more or less; -- used commonly with numerals, but formerly also with a singular substantive of time or distance.
• adjective Considerable in number or quantity.
• adjective Certain; those of one part or portion; -- in distinction from other or others.
• adjective A part; a portion; -- used pronominally, and followed sometimes by of.
• adjective [Obs.] one and all. See under All, adv.
• adjective one part … another part; these … those; -- used distributively.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• pronoun A certain number, at least one.
• pronoun An indefinite quantity.
• pronoun An indefinite amount, a part.
• determiner A certain proportion of, at least one.
• determiner An unspecified quantity or number of.
• determiner An unspecified amount of (something uncountable).
• determiner A certain, an unspecified or unknown.
• determiner A considerable quantity or number of.
• determiner informal a remarkable.
• adverb Of a measurement; approximately, roughly

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adverb (of quantities) imprecise but fairly close to correct
• adjective quantifier; used with either mass nouns or plural count nouns to indicate an unspecified number or quantity
• adjective remarkable
• adjective relatively much but unspecified in amount or extent
• adjective relatively many but unspecified in number