Source : Webster's Revised Unabridged Dictionary (1913)

Spiritful \Spir"it*ful\, a.
   Full of spirit; spirited. [R.]

         The spiritful and orderly life of our own grown men.
                                                  --Milton.
   -- {Spir"it*ful*ly}, adv. -- {Spir"it*ful*ness}, n.