1. (noun)gravity, gravitation, gravitational attraction, gravitational force (physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface "the more remote the body the less the gravity"; "the gravitation between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them"; "gravitation cannot be held responsible for people falling in love"--Albert Einstein
2. (noun)graveness, gravity, sobriety, soberness, somberness, sombreness a manner that is serious and solemn
3. (noun)gravity, solemnity a solemn and dignified feeling