What is another word for "necessity"?

Roget's Thesaurus (1911) lists these synonyms for "necessity": abatement, abide, able, about, absorbing, adjust, adjustment, advisedly, aforethought, after, agree, all, and, approach, arbitration, arrange, ask, await, beforehand, best, beyond, blood, brewing, bridge, calculated, call, cannot, case, certainly, chance, charge, claim, close, cold, come, coming, command, commutation, commute, compensation.