Definition: forming an end or termination; especially putting an end to doubt or question; "conclusive proof"; "the evidence is conclusive"
conclusive 3
Definition: final and deciding; "the conclusive reason"
conclusive 4
Definition: expressing finality with no implication of possible change; "an absolute (or unequivocal) quarantee to respect the nation''s authority"; "inability to make a conclusive (or unequivocal) refusal"