"clear realization" is grammatically correct and can be used in written English.
It is typically used as a noun phrase to describe a moment of understanding or recognition that is evident and certain. Example: After years of struggling with her career choice, she finally had a clear realization that she wanted to become a teacher.
"I think there has been a clear realization," said a Western official who has worked closely with the United States.
But there appears to be a clear realization that for general election purposes, they may do better with an emphasis on Mr. Romney's conservative stances.
"Today there is a clear realization that they won't make the kinds of absurd money at 30 years old or 35 or even 40 that used to be possible".
He could not have described more accurately my own experience riding the Acela and the regional Amtrak trains in the Northeast Corridor — the luxury of the double seat to myself and the clear realization that my skin color blocks entry to that empty seat.
Skip forward six years, and Affleck surprised everybody, though maybe not himself, by directing "Gone Baby Gone," set in his home town of Boston, a work whose earthy tensions suggested, if not a Pauline conversion, then at least a clear realization that man cannot live by "Gigli" alone.
In order to make a clear realization on the benefits of grouping processing, Figure 2 illustrates the examples of the three modes.
"There has never been a more crystal-clear realization of why you need a strong brand".
While I agree that post-translational modification is a difference between prokaryotic and eukaryotic proteins, it is not clear how realization of this difference helps in predicting human-prokaryote PPIs.
But while the climbers understood the risks, I got the impression that clear-eyed realization extended only up to a point.
The question about how much one should stretch to pay for college — and a new clear-eyed realization that loans must be repaid — are making officials at some private schools nervous.
Let's look for a clear-eyed realization that you can't tackle poverty and spur economic growth without protecting the environment, and you can't protect the environment without finding ways to make the economy grow while improving people's lives.
