Alacrity

Webster's Condensed Dictionary- A Condensed Dictionary of the English Language · 1909 · p. 28

a-lak'rT-tT, n. Cheerful readine : ardor; live'jive ; promptitude. [L. alacritas, alacer, alacris, lively. ]—Alac'rify, -rt-fl, To make lively.