Voluntary
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required, ordered, random, requisite, obligatory, driven, compelled, necessary, inadvertent, unpremeditated, abrupt, aimless, nonvoluntary, indispensable, essential, impulsive, conscript, impetuous, forced, hit-or-miss, unvoluntary, involuntary, draftee, desultory, extemporaneous, impromptu, unforced, purposeless, unwilling, haphazard, unconscious, casual, accidental, chance, goaded, nonelective, autonomic, unwilled, spontaneous, sudden, vegetative, reflexive, will-less, reflex, unwitting, inductee, enforced, incidental, mandatory.