Sentence:  An honest poor man dwelling in Faladon beside Alnwick said to me that where he had denied to a gentleman his neighbour an unreasonable request, he answered rigorously these words: I shall <WSD>alighten</WSD> thee of that thing which thou bearest thee bold of — and within four hours after, was reaved him sixteen heads of nowt [=cattle]. 
Meaning of the word marked with <WSD> tags:  To lighten; to reduce in weight or heaviness.