Sentence:  This resolution she accordingly executed; and the next morning before the sun, she huddled on her cloaths, and at a very unfashionable, unseasonable, <WSD>unvisitable</WSD> hour, went to Lady Bellaston, to whom she got access, without the least knowledge or suspicion of Sophia, who, though not asleep, lay at that time awake in her bed, with Honour snoring by her side. 
Meaning of the word marked with <WSD> tags:  Unsuitable for visiting.