adjective

strong and assertive; vigorous and powerful.

she was a forceful personality

dynamic,energetic,assertive,authoritative,vigorous,powerful,potent,strong,strong-willed,pushing,driving,determined,insistent,commanding,bullish,dominant,domineering,bold,confident,self-confident,self-assured,self-possessed,audacious,enterprising,competitive,go-ahead,zealous,pushy,bossy,in-your-face,not backward in coming forward,feisty