impetus

“Household finances are in good shape and an impetus for strong spending heading into the holiday season, though households will spend more cautiously.”

The fallout from the Black Lives Matter protests added impetus to the change that was already happening.

The impetus behind tariffs is often to level the economic playing field, such as to avoid letting China subsidize production to create monopolies, said Usha Haley, professor of international business at Wichita State University.

The impetus for that signing, as multiple people with the club later acknowledged, was about more than just winning baseball games.

Presidents and prime ministers normally attend these conferences at the start to provide impetus.