Impetus

Definition of Impetus

Im´pe`tus   Pronunciation: ĭm´pė`tŭs
n.1.A property possessed by a moving body in virtue of its weight and its motion; the force with which any body is driven or impelled; momentum.
2.Fig.: Impulse; incentive; stimulus; vigor; force; as, the President's strong recommendation provided the impetus needed to pass the campaign reform bill.
3.(Gun.) The altitude through which a heavy body must fall to acquire a velocity equal to that with which a ball is discharged from a piece.

Related Words

acceleration, activity, animation, ardor, brio, briskness, catalyst, clout, compulsion, drive, driving force, elan, encouragement, energy, enthusiasm, getaway, glow, goad, gusto, impellent, impelling force, impetuosity, impulse, impulsion, incentive, incitation, incitement, inspiration, irresistible force, joie de vivre, life, liveliness, lustiness, mettle, moment, momentum, motivation, motive power, perkiness, pertness, pickup, power, propulsion, push, quickening, robustness, speedup, spirit, spiritedness, spur, step-up, stimulant, stimulation, stimulus, thrust, vivacity, warmth, zest, zestfulness
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