Sentence:  "Such was the account Mr. "Hobart" gave me of himself, (which made me admire him much, as he was but fifty then) and to convince me his temper had nothing <WSD>Timonean</WSD> or unsocial in it from his solitary life, he requested I would dine with him." 
Meaning of the word marked with <WSD> tags:  Of a form of bitter misanthropy related to Timonism, like (Timon of Athens).