[1] : The Collaborative International Dictionary of English v.0.48

decisive \decisive\, a. cf. f. d'ecisif. see decision.
   1. having the power or quality of deciding a question or
      controversy; putting an end to contest or controversy;
      final; conclusive. "a decisive, irrevocable doom."
      --bates. "decisive campaign." --macaulay. "decisive
      proof." --hallam.
      1913 webster

   2. marked by promptness and decision.
      1913 webster

            a noble instance of this attribute of the decisive
            character.                            --j. foster.

   syn: decided; positive; conclusive. see decided. --
        deci"sively, adv. -- deci"siveness, n.
        1913 webster
see also:
decision decided deci"sively deci"siveness 

[2] : WordNet (r) 2.0

decisive
     adj 1: determining or having the power to determine an outcome;
            "cast the decisive vote"; "two factors had a decisive
            influence" ant: indecisive
     2: unmistakable; "had a decisive lead in the polls"
     3: characterized by decision and firmness; "an able an decisive
        young woman"; "we needed decisive leadership"; "she gave
        him a decisive answer" ant: indecisive
     4: forming or having the nature of a turning point or crisis;
        "a critical point in the campaign"; "the critical test"
        syn: critical
see also:
indecisive critical 

[3] : Moby Thesaurus II by Grady Ward, 1.0

193 moby thesaurus words for "decisive":
   absolute, adducible, admissible, admitting no exception, alert,
   all-out, apodictic, apt, assured, assuring, attestative, attestive,
   authentic, authoritative, based on, behind the scenes, bent,
   binding, bound, bound and determined, categorical, causal,
   causative, certain, charged, circumstantial, clear,
   clear and distinct, clear as day, climacteric, committed, complete,
   compulsory, conclusive, constitutive, convictional, convincing,
   critical, crucial, cumulative, damning, decided, decretory,
   dedicated, definite, definitive, determinate, determinative,
   determined, devoted, dictated, documentary, documented, downright,
   earnest, effectual, emergent, entailed, entire, etiological,
   evidential, evidentiary, ex parte, exigent, expeditious, explicit,
   express, eye-witness, factual, final, firsthand, fixed, flat,
   flat-out, formative, founded on, global, grounded on,
   hard-and-fast, hearsay, immediate, imperative, imperious, implicit,
   imposed, impressive, inappealable, incontrovertible, indicative,
   indisputable, ineluctable, inevitable, instant, instantaneous,
   institutive, intent, irrefutable, irresistible, irrevocable,
   kairotic, loaded, mandated, mandatory, masterful, material, must,
   necessary, nuncupative, obligatory, obstinate, occasional,
   originative, out-and-out, outright, overwhelming, peremptory,
   perfect, perfectly sure, persevering, persistent, persuasive,
   pivotal, positive, predestined, predetermined, pregnant, prescript,
   prescriptive, presumptive, probative, prompt, punctual, purposeful,
   quick, ready, relentless, reliable, required, resolute, resolved,
   round, satisfactory, satisfying, self-assured, self-confident,
   serious, set, settled, significant, sincere, single-minded, speedy,
   steadfast, straight, straight-out, suggestive, summary, sure,
   sure-enough, swift, symptomatic, telling, tenacious, total, true,
   ultimate, unambiguous, uncircumscribed, unconditional,
   unconditioned, undoubting, unequivocal, unhampered, unhesitating,
   univocal, unlimited, unmistakable, unmitigated, unqualified,
   unquestioning, unreserved, unrestricted, unswerving, unwaivable,
   unwavering, utter, valid, weighty, whole, wholehearted,
   without appeal, without exception, without reserve

Decisive >> D Words
Decisive, definition of term: Decisive
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