What is another word for "simplicity"?

Roget's Thesaurus (1911) lists these synonyms for "simplicity": call, chaste, come, common, commonplace, dry, fact, homely, homespun, household, monotonous, natural, neat, parlance, plain, plainness, plunge, point, point-blank, prosaic, pure, res, severe, severity, simple, spade, the.