proffer - to present
capricious - impulsive
impetuous - sudden impulsive
sepulchre - tomb
propinquity - nearness
aver - to assert
remonstrate - to say/plead in opposition
fulsome - exceedingly flattering
engender - to cause
ambivalence - uncertainty
bootlicking - flattering
smarm - smarmy speech

"Well I'm not sure that if, you know, it's about something that you should know, assuming that, you know, you didn't know about it already, then, obviously, when you can know will be when Sir Humphrey really knows."
- Bernard to Hacker, upon being enquired about what was going on with Sir Humphrey

"The relationship, which I might tentatively venture to aver has not been without a degree of reciprocal utility and even perhaps occasional gratification, is approaching the point of irreversible bifurcation and, to put it briefly, is in the propinquity of its ultimate regrettable termination."
-Sir Humphrey to Hacker, announcing his being promoted to Cabinet Secretary

Got from Party Games.

"Some of his sentences are longer that judge Geoffrey's!"
- Hacker to the Bursar of Cambridge, regarding Sir Humphrey's sentences

Got from Doing the Honours.
.. hell yeah! It's been a while!