1.   Penry Meredith Vaughan was a man of potent physical attraction, an attraction made doubly powerful by the formidable intellect behind it.

2.   And all through his varied career, he has gained access to the powerful by deferring to the established order, and then effecting change from the inside.

3.   HOW GRAPEFRUIT JUICE MAKES SOME PILLS MORE POWERFUL By Abigail Zuger.

4.   In Belgium, extreme nationalist parties have grown powerful by exploiting tensions between Flemish and French citizens.

5.   Muni drivers are powerful just by not being there.

6.   Neither one of them could have created a song that powerful by themselves.