Synonyms to obligative

imperative, absolute, absolutist, absolutistic, acid, acute, allegiance, arbitrary, aristocratic, arrogant, ascendant, assigned task, authoritarian, authoritative, authorized, autocratic, basic, behest, bidding, binding, biting, bossy, bounden duty, burden, burning, business, call of duty, canon, case of need, charge, choiceless, claimed, clamant, clamorous, clothed with authority, coactive, code, command, commanding, commandment, commitment, compelling, competent, compulsatory, compulsive, compulsory, conclusive, conditional, consequential, considerable, constraining, controlling, convention, corrosive, critical, crucial, crying, cutting, de rigueur, decisive, decretal, decretive, decretory, dedication, deference, demanded, despotic, devoir, devotion, dictate, dictated, dictating, dictation, dictatorial, dictum, dire necessity, direct order, directive, dogmatic, dominant, domineering, driving, duly constituted, duties and responsibilities, duty, effective, eminent, empowered, entailed, essential, ethics, ex officio, exigence, exigency, exigent, fealty, feudal, final, forceful, forcible, form, formula, fundam