St. Paul's has become the most substantive 9/11 monument around the World Trade Center site.

This was by far our most substantive Third Way meeting.

Television may be our most pervasive communications medium, but given these limitations it will never be our most substantive.

Our most substantive theory," he finished, "is that they are descendants of an alternative universe... one in which the dinosaurs never died out.

Probably her most substantive comment was about the nation's missile defenses.

Their most substantive exchange came over a question about taxes.

The tactics with which "Slander" approaches its most substantive arguments wind up being both conscientious and reckless.

I am going to focus on those points that I find most substantive.

Because that amendment is the most substantive, it is the core of the Directive.

His most substantive step in that direction was his campaign to rework First Boston's bloated compensation structure.