DECISIVE
critical, decisive
(adjective) forming or having the nature of a turning point or crisis; “a critical point in the campaign”; “the critical test”
decisive
(adjective) determining or having the power to determine an outcome; “cast the decisive vote”; “two factors had a decisive influence”
decisive
(adjective) characterized by decision and firmness; “an able and decisive young woman”; “we needed decisive leadership”; “she gave him a decisive answer”
decisive
(adjective) unmistakable; “had a decisive lead in the polls”
Source: WordNet® 3.1
Etymology
Adjective
decisive (comparative more decisive, superlative most decisive)
Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive.
Marked by promptness and decision.
Synonyms
• decided
• positive
• conclusive
Antonyms
• indecisive
Anagrams
• iDevices
Source: Wiktionary
De*ci*sive, a. Etym: [Cf. F. décisif. 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.
2. Marked by promptness and decision.
A noble instance of this attribute of the decisive character. J.
Foster.
Syn.
– Decided; positive; conclusive. See Decided.
– De*ci"sive*ly, adv.
– De*ci"sive*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition