forcefulness

n.

1.

physical energy or intensity.

Noun

1.

forcefulness - physical energy or intensity; "he hit with all the force he could muster"; "it was destroyed by the strength of the gale"; "a government has not the vitality and forcefulness of a living man" Synonyms: strength, force

brunt, energy, force, impulse, intensity, intensiveness, momentum, strength, vigor, vigour