repletion the state of having eaten and drunk to excess.
their natural bent their natural tendency or inclination.
intromission insertion.
obsequious and subservient showing too great a willingness to obey and be submissive; here, meaning that these are two characteristics of the behavior of ministers in relation to the princes who govern them.
rudiments of reason fundamentals of thinking; here, meaning that the Houyhnhnms felt that the Yahoo, Gulliver, might have the possibility of learning how to think.
