Some initiatives proved to be specific to one category while others spanned several categories.

The initiative proved to be overwhelmingly popular, and was passed by a 65% majority vote in the 1964 California elections.

"This initiative may prove to be one of the most important for African meteorology in decades."

But the British initiative proved short lived, and appears to have discouraged plans for open pits elsewhere.

Despite bipartisan support for the increased spending, the initiative proved contentious.

The initiative proved to be another useful part of this very difficult process.

The 2009 initiative for security and development in the Sahel has so far proved ineffective.

Sue's initiative proves popular with the students' parents, and her appointment as principal is made permanent.

This fourth initiative in seven years proved unpopular with Seattle voters however, and lost 64% to 36%.

So far, school systems and Washington have consciously avoided such research because new initiatives may prove unsuccessful.