Having good and sufficient cause. causary dismission (Latin causaria missio): originally a dismissal from military service on account of ill-health.
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1602 W. SegarHonor Mil. & Civilli. viii. 11 Dioclesianus and Maximianus ordained, That vnto euery Veteran hauing honestly serued..twentie yeeres, an honourable or causarie dismission [L. causaria missio] should be granted.