transformist

He was a transformist from the very first, and performed all his various researches in the spirit of an evolutionist.

She pointed out the results which logically follow from the transformist theory.

A few weeks before his death he repented of his transformist policy, and again included Crispi and Zanardelli in his cabinet.

Buffon, like many another man, from St. Augustine down to his own times, considered the transformist explanation of living nature.

If I were a "transformist" how I should delight in this question!