essential
I
(inherent) adjective
basal, basic, basilar, basilary, elemental, fundamental, immanent, implicit, integral, intrinsic, intrinsical, main, primary
II
(required) adjective
basic, binding, called for, chief, compulsory, critical, crucial, demanded, exigent, fundamental, important, incumbent upon, indispensable, lacking, mandatory, material, necessary, needed, needful, obligatory, of vital importance, pressing, primary, proprius, requisite, urgent, verus
associated concepts: essential duties, essential governmental duties, essential parties, essential services, essential terms of a contract
III
index
actual, cardinal (basic), critical (crucial), crucial, exigent, fundamental, grave (important), imperative, important (urgent), indispensable, ingrained, inherent, innate, integral, major, mandatory, material (important), native (inborn), necessary (required), necessary, necessity, obligatory, peremptory (imperative), primary, principal, requirement, requisite, resource, rudimentary, substantive, ultimate, underlying, urgent, virtual, vital
Burton's Legal Thesaurus.
William C. Burton.
2006