important vs probative

important and probative both are adjectives.

Word	Noun	Adjective	Verb	Adverb
important	No	Yes	No	No
probative	No	Yes	No	No

important (adjective)	probative (adjective)
of great significance or value	tending to prove a particular proposition or to persuade you of the truth of an allegation
of extreme importance; vital to the resolution of a crisis
important in effect or meaning
having or suggesting a consciousness of high position
having authority or ascendancy or influence