Available Definitions:
1) a. - The state of having weight; beaviness; as, the gravity of lead.
2) a. - Sobriety of character or demeanor.
3) a. - Importance, significance, dignity, etc; hence, seriousness; enormity; as, the gravity of an offense.
4) a. - The tendency of a mass of matter toward a center of attraction; esp., the tendency of a body toward the center of the earth; terrestrial gravitation.
5) a. - Lowness of tone; -- opposed to acuteness.