Sentence:  By a little inquiry regarding his mother's engagements, he was pretty soon able to find out by whom of her ladyship's friends parties were given at that season; where he would be likely to meet Osborne's sisters; and, though he had that abhorrence of <WSD>routs</WSD> and evening parties which many sensible men, alas! entertain, he soon found one where the Misses Osborne were to be present. 
Meaning of the word marked with <WSD> tags:  A fashionable assembly, or large evening party.