fair - acceptable, appropriate, just, honorable⏎
mandatory - must-do, required by law, obligatory, compulsory, unavoidable, necessary⏎
hierarchy - structure, order, management structure, organizational structure, taxonomy, grouping, classification, system, pecking order⏎
inadmissible - disallowed, excluded⏎
fickle - changeable, unreliable⏎
gap - space, difference, requirement⏎
low-end - cheap, inexpensive⏎
eligible - included, have the right⏎
judge - decide, arbitrate, form an opinion, adjudicate⏎
hallmark - sign, feature, indication, standard (of quality of something)⏎