The Collaborative International Dictionary of English v.0.48:

Stir \Stir\, v. t. [imp. & p. p. Stirred; p. pr. & vb. n.
   Stirring.] [OE. stiren, steren, sturen, AS. styrian;
   probably akin to D. storen to disturb, G. st["o]ren, OHG.
   st[=o]ren to scatter, destroy. [root]166.]
   1. To change the place of in any manner; to move.
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            My foot I had never yet in five days been able to
            stir.                                 --Sir W.
                                                  Temple.
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   2. To disturb the relative position of the particles of, as
      of a liquid, by passing something through it; to agitate;
      as, to stir a pudding with a spoon.
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            My mind is troubled, like a fountain stirred.
                                                  --Shak.
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   3. To bring into debate; to agitate; to moot.
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            Stir not questions of jurisdiction.   --Bacon.
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   4. To incite to action; to arouse; to instigate; to prompt;
      to excite. "To stir men to devotion." --Chaucer.
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            An Ate, stirring him to blood and strife. --Shak.
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            And for her sake some mutiny will stir. --Dryden.
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   Note: In all senses except the first, stir is often followed
         by up with an intensive effect; as, to stir up fire; to
         stir up sedition.
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   Syn: To move; incite; awaken; rouse; animate; stimulate;
        excite; provoke.
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The Collaborative International Dictionary of English v.0.48:

Stir \Stir\, v. i.
   1. To move; to change one's position.
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            I had not power to stir or strive,
            But felt that I was still alive.      --Byron.
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   2. To be in motion; to be active or bustling; to exert or
      busy one's self.
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            All are not fit with them to stir and toil. --Byron.
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            The friends of the unfortunate exile, far from
            resenting his unjust suspicions, were stirring
            anxiously in his behalf.              --Merivale.
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   3. To become the object of notice; to be on foot.
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            They fancy they have a right to talk freely upon
            everything that stirs or appears.     --I. Watts.
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   4. To rise, or be up, in the morning. [Colloq.] --Shak.
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The Collaborative International Dictionary of English v.0.48:

Stir \Stir\, n.
   1. The act or result of stirring; agitation; tumult; bustle;
      noise or various movements.
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            Why all these words, this clamor, and this stir?
                                                  --Denham.
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            Consider, after so much stir about genus and
            species, how few words we have yet settled
            definitions of.                       --Locke.
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   2. Public disturbance or commotion; tumultuous disorder;
      seditious uproar.
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            Being advertised of some stirs raised by his
            unnatural sons in England.            --Sir J.
                                                  Davies.
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   3. Agitation of thoughts; conflicting passions.
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WordNet (r) 3.0 (2006):

stir
    n 1: a prominent or sensational but short-lived news event; "he
         made a great splash and then disappeared" [syn: stir,
         splash]
    2: emotional agitation and excitement
    3: a rapid active commotion [syn: bustle, hustle, flurry,
       ado, fuss, stir]
    v 1: move an implement through; "stir the soup"; "stir my
         drink"; "stir the soil"
    2: move very slightly; "He shifted in his seat" [syn: stir,
       shift, budge, agitate]
    3: stir feelings in; "stimulate my appetite"; "excite the
       audience"; "stir emotions" [syn: stimulate, excite,
       stir]
    4: stir the feelings, emotions, or peace of; "These stories
       shook the community"; "the civil war shook the country" [syn:
       stimulate, shake, shake up, excite, stir]
    5: affect emotionally; "A stirring movie"; "I was touched by
       your kind letter of sympathy" [syn: touch, stir]
    6: summon into action or bring into existence, often as if by
       magic; "raise the specter of unemployment"; "he conjured wild
       birds in the air"; "call down the spirits from the mountain"
       [syn: raise, conjure, conjure up, invoke, evoke,
       stir, call down, arouse, bring up, put forward,
       call forth]
    7: to begin moving, "As the thunder started the sleeping
       children began to stir" [syn: arouse, stir]
    8: mix or add by stirring; "Stir nuts into the dough"