Of, pertaining to or leading to transformation(adjective)
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Use "transformational" in a sentence
"But I'm told by somebody close to Senator McCain that he is definitely still picking up what they call a transformational figure, somebody who we're just not thinking of who could really shake up the race, Kiran."
"UCLA Chancellor Gene Block said he was "extraordinarily grateful" for the Luskins' gift, which he described as transformational for the campus."
"All three converge in transformational development."