ADJ

abrupt, sudden
Everyone was a bit puzzled by her sudden departure
hasty, speedy
early
imminent, impending
The guard blew his whistle to warn of the train's imminent departure
flight
The last check-in time is 45 minutes before flight departure

VERB + DEPARTURE

make
He made a hasty departure
hasten
Her row with the MD probably hastened her departure
delay

DEPARTURE + NOUN

point
Atocha station was the departure point for our tour
date
gate, lounge
We sat in the departure lounge waiting for our flight to be called

PREP

before ~, prior to ~
You should receive your flight tickets at least a week prior to departure
on ~
All visitors must sign the book on arrival and again on departure
~ for
his departure for Naples
~ from
her departure from London

PHRASES

the day/time of departure, the point of departure (figurative)
The author takes Freud's dream theories as the point of departure for his essay

ADJ

fresh, new
dramatic, fundamental, major, radical, revolutionary, significant

VERB + DEPARTURE

be, mark, represent

PREP

~ from
This document marks a radical departure from earlier recommendations