Turkey's pivotal importance to American foreign policy is dictated by history and geography.

But certainly it was of pivotal importance to both of them.

Silverlight 4 is of pivotal importance to Windows Phone 7 Series development.

What gives this vision such pivotal importance is the renewed prominence of public works on the national agenda.

The evidence offered by prosecutors to support charges of crimes against humanity can serve as documentary material of pivotal importance.

Patriarchy and the family are normally of pivotal importance in the social systems of such communities.

There's no question that it's an event of some pivotal importance.

As the film progresses, Stan and his domestic arrangements assume a pivotal importance.

This was "a place of pivotal importance for Operation Cyclone".

These two actions are of pivotal importance.