The Collaborative International Dictionary of English v.0.48:

Resolute \Res"o*lute\ (r?z"?-l?t), a. [Cf. F. r['e]solu. The L.
   resolutus (p. p. of resolvere) means, relaxed, enervated,
   effeminate. See Resolve, v. t. & i.]
   1. Having a decided purpose; determined; resolved; fixed in a
      determination; hence, bold; firm; steady.
      [1913 Webster]

            Edward is at hand,
            Ready to fight; therefore be resolute. --Shak.
      [1913 Webster]

   2. Convinced; satisfied; sure. [Obs.]
      [1913 Webster]

   3. Resolving, or explaining; as, the Resolute Doctor Durand.
      [Obs.]
      [1913 Webster]

   Syn: Determined; decided; fixed; steadfast; steady; constant;
        persevering; firm; bold; unshaken.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Resolute \Res"o*lute\ (r?z"?-l?t), n.
   1. One who is resolute; hence, a desperado. [Obs.] --Shak.
      [1913 Webster]

   2. Redelivery; repayment. [Obs.] "Yearly resolutes,
      deductions, and payments." --Bp. Burnet.
      [1913 Webster]

WordNet (r) 3.0 (2006):

resolute
    adj 1: firm in purpose or belief; characterized by firmness and
           determination; "stood resolute against the enemy"; "faced
           with a resolute opposition"; "a resolute and unshakeable
           faith" [ant: irresolute]
    2: characterized by quickness and firmness; "his reply was
       unhesitating" [syn: unhesitating, resolute]

Moby Thesaurus II by Grady Ward, 1.0:

150 Moby Thesaurus words for "resolute":
   abandoned, adamant, afire, ardent, assiduous, bent, bold, bound,
   bound and determined, bulldog, bulldoggish, burning, changeless,
   committed, constant, continuing, dauntless, decided, decisive,
   dedicated, definite, deliberate, determined, devoted, devout,
   diligent, dogged, earnest, enduring, experimental, faithful, fast,
   fervent, fervid, fiery, firm, flaming, game, gamy, gritty, gutsy,
   gutty, hearty, heated, hot, hot-blooded, immutable, impassioned,
   in earnest, inalterable, indefatigable, indomitable, industrious,
   inflexible, insistent, intense, intent, intent on, invincible,
   irreversible, lasting, loyal, mettlesome, nervy, never-tiring,
   obstinate, on fire, passionate, patient, patient as Job, perfervid,
   permanent, perseverant, persevering, persistent, persisting,
   pertinacious, plodding, plucky, plugging, preoccupied, purposeful,
   purposive, rapt, red-blooded, red-hot, relentless, resolved,
   sedulous, serious, set, settled, sincere, single-minded, sleepless,
   slogging, spirited, spiritful, spunky, stable, staunch, steadfast,
   steady, stubborn, tenacious, tentative, tireless, tough, trial,
   true, unabating, unalterable, unchangeable, unchanging,
   unconquerable, undaunted, undeviating, undiscouraged, undrooping,
   unfailing, unfaltering, unflagging, unflinching, unhesitant,
   unhesitating, unintermitting, uninterrupted, unnodding, unrelaxing,
   unrelenting, unremitting, unshakable, unshakeable, unshaken,
   unsleeping, unswerving, untiring, unwavering, unwearied,
   unwearying, unwinking, utterly attentive, vehement, venturesome,
   warm, weariless, white-hot, wholehearted, willing, zealous



The Devil's Dictionary (1881-1906):

RESOLUTE, adj.  Obstinate in a course that we approve.