Sentence:  The barbarian, wandering in nature's wilds, plucking the fruits as they grow, or destroying the game for his meat, and quenching his thirst with the waters of the gurgling rill, may furnish the poet with a theme for a <WSD>pean</WSD> to the goddess of Natural Liberty; but he will be a barbarian still, and his children after him, will roam over the same uncultivated wastes, and sleep in the same caves and dens, until they learn to associate with others and combine their efforts for mutual good. 
Meaning of the word marked with <WSD> tags:  An enthusiastic expression of praise.