Answer:

standupcomics

Answer	Crossword Clue
STANDUPCOMICS	Ones with routine deliveries
STANDUPCOMICS	Improv performers
STANDUPCOMICS	Cartoons displayed on easels?

STANDUPCOMICS	Start of a quip
STANDUPCOMICS	They have routine deliveries
STANDUPCOMICS	Dave Chappelle and Dane Cook ... or a literal hint to the answers to the eight starred clues