形容词

1. 令人信服的;有说服力的
A compelling argument or reason is one that convinces you that something is true or that something should be done.

2. 非常有趣的;很有吸引力的
If you describe something such as a film or book, or someone's appearance, as compelling, you mean you want to keep looking at it or reading it because you find it so interesting.

1. tending to persuade by forcefulness of argument

e.g. new and compelling evidence

2. driving or forcing

e.g. compelling ambition