Compelling
Part of speech: adjective
Definition: requiring urgent attention forceful
Part of speech: verb
Definition: To drive together, round up
Example sentence: Create a compelling vision, one that takes people to a new place, and then translate that vision into a reality.
Powerful
Part of speech: adjective
Definition: Having, or capable of exerting power, potency or influence.
Example sentence: All the forces in the world are not so powerful as an idea whose time has come.