Sentence:  Genius, enamor'd of his fruitful bride,/ Assumes new force and elevates his pride./ No more, recumbent o'er his finger'd style,/ He plods whole years each copy to compile,/ Leaves to <WSD>ludibrious</WSD> winds the priceless page,/ Or to chance fires the treasure of an age;/ But bold and buoyant, with his sister Fame,/ He strides o'er earth, holds high his ardent flame,/ Calls up Discovery with her tube and scroll,/ And points the trembling magnet to the pole. 
Meaning of the word marked with <WSD> tags:  sportive; wanton