impetus

Definitions

The force or energy with which a body moves.

A driving force or stimulus that encourages a process or activity to develop or increase.

Examples

The discovery of new evidence provided the necessary impetus for the police to reopen the cold case.

The company's declining profits served as the primary impetus for a complete restructuring of its management team.

Synonyms

stimulus incentive motivation impulse catalyst spur drive

Antonyms

hindrance deterrent discouragement block check restraint inhibition