Crossword puzzle clue "well having good manners"

Well-___ (having good manners)

Having good manners

Writer who said "One cannot think well, love well, sleep well, if one has not dined well"

Having elegant manners.

Having perfect manners

Shakespeare character who says "Good night, ladies; good night, sweet ladies; good night, good night"

"Or else ___ despiser of good manners": Shak.

Important place for good manners