The Collaborative International Dictionary of English v.0.48:

Lively \Live"ly\, a. [Compar. Livelier; superl. Liveliest.]
   [For lifely. Cf. Lifelike.]
   1. Endowed with or manifesting life; living.
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            Chaplets of gold and silver resembling lively
            flowers and leaves.                   --Holland.
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   2. Brisk; vivacious; active; as, a lively youth.
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            But wherefore comes old Manoa in such haste,
            With youthful steps ? Much livelier than erewhile
            He seems.                             --Milton.
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   3. Gay; airy; animated; spirited.
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            From grave to gay, from lively to severe. --Pope.
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   4. Representing life; lifelike. [Obs.]
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            I spied the lively picture of my father.
                                                  --Massinger.
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   5. Bright; vivid; glowing; strong; vigorous.
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            The colors of the prism are manifestly more full,
            intense, and lively that those of natural bodies.
                                                  --Sir I.
                                                  Newton.
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            His faith must be not only living, but lively too.
                                                  --South.
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   Lively stones (Script.), saints, as being quickened by the
      Spirit, and active in holiness.

   Syn: Brisk; vigorous; quick; nimble; smart; active; alert;
        sprightly; animated; spirited; prompt; earnest; strong;
        energetic; vivid; vivacious; blithe; gleeful; airy; gay;
        jocund.
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The Collaborative International Dictionary of English v.0.48:

Lively \Live"ly\, adv.
   1. In a brisk, active, or animated manner; briskly;
      vigorously. --Hayward.
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   2. With strong resemblance of life. [Obs.]
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            Thou counterfeitest most lively.      --Shak.
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WordNet (r) 3.0 (2006):

lively
    adj 1: full of life and energy; "a lively discussion"; "lively
           and attractive parents"; "a lively party" [ant: dull]
    2: full of zest or vigor; "a racy literary style" [syn:
       lively, racy]
    3: quick and energetic; "a brisk walk in the park"; "a lively
       gait"; "a merry chase"; "traveling at a rattling rate"; "a
       snappy pace"; "a spanking breeze" [syn: alert, brisk,
       lively, merry, rattling, snappy, spanking, zippy]
    4: elastic; rebounds readily; "clean bouncy hair"; "a lively
       tennis ball"; "as resilient as seasoned hickory"; "springy
       turf" [syn: bouncy, live, lively, resilient,
       springy]
    5: filled with events or activity; "a lively period in history"
    6: full of spirit; "a dynamic full of life woman"; "a vital and
       charismatic leader"; "this whole lively world" [syn: full of
       life, lively, vital]

Moby Thesaurus II by Grady Ward, 1.0:

242 Moby Thesaurus words for "lively":
   ablaze, active, actively, activist, activistic, acute, adaptable,
   adaptive, afire, aggressive, agile, agog, alacritous, alert, alive,
   all agog, all out, allegretto, allegro, animate, animated,
   animatedly, antic, anxious, ardent, astir, avid, blithe,
   boiling over, bouncing, bouncy, breakneck, breathless, breezily,
   breezy, bright, brilliant, brisk, briskly, bubbly, buoyant,
   burning, bursting to, bustling, busy, cant, capersome, catty,
   cheerful, cheery, chipper, chirk, chirping, chirpy, chirrupy,
   cock-a-hoop, coltish, cordial, curried, dashing, delirious,
   desirous, double-quick, drunk, dynamic, eager, eagle-winged,
   ebullient, effervescent, elastic, energetic, energetically,
   enterprising, enthusiastic, eventful, excited, exciting, expansive,
   expeditious, express, extensile, exuberant, fast, febrile, fervent,
   fervid, fevered, feverish, fiery, flaming, fleet, flexible,
   flexile, flushed, flying, forceful, forcible, forward, frisky,
   frolicsome, full of beans, full of go, full of life, full of pep,
   full tilt, galloping, gamesome, gay, gleeful, glowing, go-go,
   gorgeous, hair-trigger, hasty, headlong, hearty, heated,
   high-seasoned, hilarious, hot, hot as pepper, hustling,
   impassioned, impatient, impetuous, in full swing, incisive,
   intense, interesting, intoxicated, inviting, jocund, jolly, juicy,
   keen, kinetic, light of heel, light-footed, live, living, lusty,
   mercurial, merry, mettlesome, militant, mirthful, nimble,
   nimble-footed, nippy, on fire, panting, passionate, peart, peppery,
   peppy, perky, pert, piquant, playful, poignant, pointed, popping,
   precipitate, prompt, provocative, provoking, pungent, quick,
   quick as lightning, quick as thought, quicksilver, racy, rapid,
   raring to, readable, ready, ready and willing, reckless, red-hot,
   resilient, responsive, rich, robust, rollicking, rollicksome,
   rompish, rousing, running, seasoned, skittish, smacking, snappy,
   spanking, sparkling, speedy, spiced, spicy, spirited, spiritedly,
   sportive, sprightly, springy, spry, steaming, steamy, stimulating,
   stirring, strenuous, stretch, stretchable, stretchy, strong,
   succulent, swarming, swift, take-charge, take-over, tangy,
   tantalizing, teeming, thought-challenging, thought-inspiring,
   thought-provoking, tickling, titillating, trenchant, unrestrained,
   vibrant, vigorous, vital, vivacious, vivaciously, vivid, volatile,
   warm, winged, with a kick, zealous, zestful, zesty, zingy, zippy