The Collaborative International Dictionary of English v.0.48:

Choose \Choose\, v. i.
   1. To make a selection; to decide.
      [1913 Webster]

            They had only to choose between implicit obedience
            and open rebellion.                   --Prescott.
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   2. To do otherwise. "Can I choose but smile?" --Pope.
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   Can not choose but, must necessarily.
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            Thou canst not choose but know who I am. --Shak.
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The Collaborative International Dictionary of English v.0.48:

Choose \Choose\, v. t. [imp. Chose; p. p. Chosen, Chose
   (Obs.); p. pr. & vb. n. Choosing.] [OE. chesen, cheosen,
   AS. ce['o]san; akin to OS. kiosan, D. kiezen, G. kiesen,
   Icel. kj[=o]sa, Goth. kiusan, L. gustare to taste, Gr. ?,
   Skr. jush to enjoy. [root]46. Cf. Choice, 2d Gust.]
   1. To make choice of; to select; to take by way of preference
      from two or more objects offered; to elect; as, to choose
      the least of two evils.
      [1913 Webster]

            Choose me for a humble friend.        --Pope.
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   2. To wish; to desire; to prefer. [Colloq.]
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            The landlady now returned to know if we did not
            choose a more genteel apartment.      --Goldsmith.
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   To choose sides. See under Side.

   Syn: Syn. - To select; prefer; elect; adopt; follow.

   Usage: To Choose, Prefer, Elect. To choose is the
          generic term, and denotes to take or fix upon by an
          act of the will, especially in accordance with a
          decision of the judgment. To prefer is to choose or
          favor one thing as compared with, and more desirable
          than, another, or more in accordance with one's tastes
          and feelings. To elect is to choose or select for some
          office, employment, use, privilege, etc., especially
          by the concurrent vote or voice of a sufficient number
          of electors. To choose a profession; to prefer private
          life to a public one; to elect members of Congress.
          [1913 Webster]

WordNet (r) 3.0 (2006):

choose
    v 1: pick out, select, or choose from a number of alternatives;
         "Take any one of these cards"; "Choose a good husband for
         your daughter"; "She selected a pair of shoes from among
         the dozen the salesgirl had shown her" [syn: choose,
         take, select, pick out]
    2: select as an alternative over another; "I always choose the
       fish over the meat courses in this restaurant"; "She opted
       for the job on the East coast" [syn: choose, prefer,
       opt]
    3: see fit or proper to act in a certain way; decide to act in a
       certain way; "She chose not to attend classes and now she
       failed the exam"

Moby Thesaurus II by Grady Ward, 1.0:

62 Moby Thesaurus words for "choose":
   adopt, aim at, be desirous of, choose to, choosy, co-opt, command,
   covet, crave, cull, decide, decree, delicate, desiderate, desire,
   determine, elect, embrace, espouse, fancy, fastidious, favor,
   finical, finicking, finicky, fussy, have designs on, judge, like,
   love, lust, lust after, make choice of, mark, nice, opt, opt for,
   particular, pernickety, persnickety, pick, pick and choose,
   pick out, please, prefer, resolve, see fit, select, settle on,
   settle upon, single out, take, take to, think fit, think good,
   think proper, want, will, wish, wish to goodness, wish very much,
   would fain do