prime mover Synonyms

primum mobile first cause key factor torchbearer spawner protagonist producer planner pioneer originator organizer mover motivity maker mainspring tractor driving force creator motive force moving spirit implementer standard-bearer first mover electromotive force motivator groundbreaker motive power mastermind cofounder founding father kinetic energy locomotion inventor encourager doer deviser developer designer demiurge constructor cause builder begetter author architect allah agent engine engineer introducer