obligatory
I
adjective
binding, coactive, coercive, commanded, compelling, compulsatory, compulsive, compulsory, constrained, dictated, enforced, essential, exigent, forced, forcible, imperative, importunate, imposed, incumbent on, indispensable, inescapable, involuntary, leaving no choice, mandatory, necessary, necessitated, not to be avoided, not to be evaded, prerequisite, pressing, required, requisite, unavoidable, unforgoable, urgent, vital, with force of law, without appeal, without choice
associated concepts: obligatory advance, obligatory payment, obligatory writing
II
index
binding, choate lien, compelling, compulsory, conclusive (determinative), contractual, essential (required), imperative, indispensable, involuntary, mandatory, necessary (required), peremptory (imperative), positive (prescribed), prescriptive, requisite, strict, unavoidable (inevitable)
Burton's Legal Thesaurus.
William C. Burton.
2006