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.
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   2. Convinced; satisfied; sure. [Obs.]
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   3. Resolving, or explaining; as, the Resolute Doctor Durand.
      [Obs.]
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   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.
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   2. Redelivery; repayment. [Obs.] "Yearly resolutes,
      deductions, and payments." --Bp. Burnet.
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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]

The Devil's Dictionary (1881-1906):

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