Impelling, pressing, or bearing onwards.

Having the property of impelling or producing impulsion; characterized by impulsion or impetus.

In physical sense: Having the quality of driving or forcing onward. Obsolete. rare.

That impels, or drives on; impelling.

Designating a force or power which imparts motion to something; (without reference to physical motion) impelling, motivating, energizing…

That sets in motion; impulsive.

Pursuing, following, driving.

Impelling, effectively actuating.

Having the quality of driving or impelling; constraining, compelling; impulsive; propulsive. Now rare.