The phrase "a formative impact" is correct and usable in written English.
It can be used to describe an influence that shapes or develops something, often in a significant way.
Example: "The mentorship program had a formative impact on the students' career choices."
Alternatives: "a shaping influence" or "a developmental effect."
The film is right that this awful event had a formative impact on Turing's life.
That a single holiday had such a formative impact on her reminds you how young she was when fame hit.
Growing up he played more five-a-side football than anything else, and it is clear that this has had a formative impact on the way he plays the game.
But if blacks had a formative impact on an emergent American culture, an early pattern quickly developed whereby their innovations were co-opted, diluted or homogenized by more marketable white imitators.
When speaking of the school of Alexandria, some scholars claim that it is better to think of a distinguished succession of like-minded thinkers and teachers who worked there and whose highly sophisticated interpretation of Christianity exercised for generations a formative impact on large sectors of eastern Christendom.
This edited volume examines women's voices in phenomenology, many of which had a formative impact on the movement but have be kept relatively silent for many years.
For example, SLEs should be undertaken at regular intervals with a cumulative formative impact over the course of a rotation, thereby allowing trainees to conduct SLEs in a meaningful way that is beneficial to their own personal and professional development, rather than encouraging a system of 'hunting' for SLEs at the end of a rotation to secure that 'tick'tick
Mr. Zawahri, an Egyptian doctor whom Mr. bin Laden got to know in Peshawar in the 1980's, would have an even more formative impact.
This paper undertakes such an examination through the use of cognitive theory, which explores the formative impact a leader's domestic rise to power has on the foreign policy predilections of that leader.
Mr. Su, 47, a man of medium height with buzz-cut hair and black-framed spectacles masking alert eyes, is passionately interested in the formative impact of childhood and has written a series of novels about Toon Tree Street in Suzhou, where he grew up.
Ben had an intuitive understanding of the history of our profession, its formative impact on him and all of us.
