Volitional
Part of speech: adjective
Definition: done by conscious, personal choice; not based on external principles. done intentionally, not by accident pertaining to volition
Willing
Part of speech: verb
Definition: To wish, desire.
Part of speech: adjective
Definition: Ready to do something that is not (can't be expected as) a matter of course.
Part of speech: noun
Definition: The execution of a will.
Example sentence: Success is about dedication. You may not be where you want to be or do what you want to do when you're on the journey. But you've got to be willing to have vision and foresight that leads you to an incredible end.