to swing; to wield (physically); to exert
to exercise (e.g. power, ability); to exhibit; to display; to wield (metaphorically)
to flourish; to prosper; to thrive
彼は大きな剣を振るって戦った。
He fought wielding a large sword.
彼は重い斧を力いっぱい振るった。
He swung the heavy axe with all his strength.
権力を振るう立場にいる人は責任が重い。
Those in a position to wield power bear heavy responsibility.