Impetus

9 clues
Thrust
Stimulus
Momentum
Incentive
Stimulant
Instigation
Moving force
Driving force?
Force that makes something move
Similar answers:
Abesimpson
Abitsimple
Acesforimpact
Adimple
Admissionimpossible
Agoodimpression
Aidorimpede
Alastairsimp
Alimp
Allimportant
Almostimpossible
Anicknameforsimpson
Animpression
Antiimperialism
Antiimperialist
Areimportant
Asimpleplan
Asimpleplane
Asimpletaskintobattle
Aslimp