Synonyms:
force, forcefulness, strength
Meaning: 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"
Usage examples
He looked over the big crowd of powerful young men, and, himself a storehouse and radiating center of energy and forcefulness, recognized the same qualities when he saw them.