Sentence:  [L]ooks on heav'n with more than mortal eyes, / Bids his free ſoul <WSD>expatiate</WSD> in the skies, / Amidſt her kindred ſtars familiar roam, / Survey the region, and confeſs her home! Such was the life great "Scipio" once admir'd, / Thus "Atticus", and "Trumball" thus retir'd. 
Meaning of the word marked with <WSD> tags:  To range at large, or without restraint.