The phrase "a formidable influence on" is correct and usable in written English.
It can be used to describe someone or something that has a strong and significant impact on a person, situation, or outcome.
Example: "The mentor was a formidable influence on her career, guiding her through difficult decisions and challenges."
Alternatives: "a powerful impact on" or "a significant effect on".
Grass-roots pressure from such groups is a formidable influence on Congress.
Through Jan . 14As painting lost prestige in the '60s, a cult of Orpheus emerged to become a formidable influence on visual art.
That was the year that Alison Knowles, one of the founders of the Fluxus movement — which was really less a movement than a loose affiliation of artists in the '60s who had a formidable influence on generations of artists that followed — started eating lunch regularly, and unvaryingly, at Riss diner on Eighth Avenue near 23rd Street in Chelsea.
And I am sure that the show could not have helped but have a formidable influence on a lot of present television writing.
But Mr. Mehta is a take-charge type who will surely exert his formidable influence on overall policies and programming.
That the legislation was passed by the House on a voice vote and was opposed by only one senator -- Ernest F. Hollings, a South Carolina Democrat who is a longtime job protectionist -- underscored the technology industry's formidable influence on Capitol Hill.
If Teva becomes a member of PhRMA, it could increase the resources and strength of the brand-name trade association, which already has formidable influence on Capitol Hill.
Prune quickly morphed from adorable notion into formidable influence, a small restaurant with a large footprint.
Judge Pregerson, who grew up in diverse East Los Angeles, wielded formidable influence not only in interpreting the law but also by using his bully pulpit on the bench and functioning, through edicts and consent decrees, as a social engineer.
