postponement vs wait

postponement and wait both are nouns.

Word	Noun	Adjective	Verb	Adverb
postponement	Yes	No	No	No
wait	Yes	No	Yes	No

As nouns, postponement and wait are synonyms defined as:

Other synonyms of postponement include delay, hold, time lag.

postponement (noun)	wait (noun)
act of putting off to a future time	the act of waiting (remaining inactive in one place while expecting something)
time during which some action is awaited	time during which some action is awaited

postponement (verb)	wait (verb)
	look forward to the probable occurrence of
	serve as a waiter or waitress in a restaurant
	stay in one place and anticipate or expect something
	wait before acting