she played an important role in ideation level

I'm guessing you mean - how do you use the word* "ideation" in a sentence.

Here goes:

Ryan has the ability to harmonize strategic ideation with tactical execution.

A spontaneou generation is the idea that organisms originate directly from nonliving matter

Insomnia, Suicidal Ideation, Dysgeusia ...

source: http://www.eHealthMe.com

Suicidal Ideation

As with today, many the younger generation that it was a good idea, the old guard (the older generation) thought it was a bad idea.