Gravitational
Part of speech: adjective
Definition: pertaining to gravity or gravitation
Example sentence: Yet another proposal would have us rocket the waste into the sun, but, as you're probably aware, about one in ten of our space shots doesn't quite make it out of the earth's gravitational field.
Attraction
Part of speech: noun
Definition: The tendency to attractThe feeling of being attractedAn event or location that has a tendency to attract visitors
Example sentence: Art is dangerous. It is one of the attractions: when it ceases to be dangerous you don't want it.