Within psychology, conflict avoidance and the libido are seen to be primary motivators.

This was a primary motivator for the creation of the 'Clarity Act' (see below).

The primary motivator for land clearing in Australia is agricultural production.

Social scientists are beginning to study fame as a primary motivator of human behavior.

It's not his primary motivator, but it doesn't hurt.

Wilson's primary motivator to be on the Kennedy Center Committee was so he always had a place to take a date.

"He and Dukat are the primary motivators of the Brotherhood."

But it is not the primary motivator for every consumer.

This institution, which possessed the land during the next 500 years, was the primary motivator for settlement.

However, the primary motivator was the threat of legal action against the reserve clause had his case gone to court.