American Dictionary of the English Language

SEDU'LITY, noun. [Latin sedulitas. See Sedulous.] Diligent and assiduous application to business; constant attention; unremitting industry in any pursuit. It denotes constancy and perseverance rather than intenseness of application.

Let there be but the same propensity and bent of will to religion, and there will be the same sedulity and indefatigable industry in men's inquiries into it. South.