decisive
I
adjective
absolute, assured, authoritative, beyond all dispute, beyond all question, categorical, certain, characterized by decision, clear, clearly defined, commanding, compelling, conclusive, conclusory, consequential, critical, crucial, culminating, definite, definitive, determinant, determinative, determining, effectual, ernest, final, forceful, impelling, imperative, important, incontestable, indubious, inflexible, influential, intent upon, irreversible, irrevocable, momentous, of great consequence, peremptory, pivotal, positive, powerful, purposeful, questionless, resolute, resolved, significant, summary, thrustful, undoubted, unequivocal, unhesitating, unqualified, unquestionable, unquestioned, without doubt, without question
associated concepts: decisive proof
II
index
absolute (conclusive), axiomatic, categorical, certain (fixed), certain (positive), compelling, conclusive (settled), convincing, critical (crucial), crucial, definite, definitive, determinative, final, inappealable, key, last (final), major, material (important), peremptory (absolute), peremptory (imperative), positive (confident), strategic
Burton's Legal Thesaurus.
William C. Burton.
2006