without cause
- unprovokedWithout prior instigation
- groundlessLacking factual support
- baselessLacking factual support
- arbitraryBased on personal whim
- randomOccurring without pattern
senseless · meaningless · unjustified · unwarranted · motiveless · reasonless · pointless · gratuitous · wanton · needless · irrational · whimsical · capricious · inexplicable · unfounded · spurious · spontaneous · impulsive
justification
without causewith good reason
justified · warranted · legitimately · rightfully · defensibly
causation
without causecaused
Made something occur
due to · as a result of · consequentially · because of · attributable