mandatory Synonyms

required mandatary mandate compulsory incumbent on prescribed prerequisite peremptory obliged obligatory needful needed necessary must mandamus pressing regulation de rigueur mandatorily life-and-death of the essence all important vital urgent unavoided unavoidable stipulated statutory requisite irremissible involuntary critical constraining compulsatory compelling compelled commanding coercive clamant bindingly binding bounden bound crucial demanded dictated inevitable inescapable indispensable incumbent