Sentence:  When thus gentle, Bessie seemed to me the best, prettiest, kindest being in the world; and I wished most intensely that she would always be so pleasant and amiable, and never push me about, or scold, or task me <WSD>unreasonably</WSD>, as she was too often wont to do. 
Meaning of the word marked with <WSD> tags:  In an unreasonable manner.