gravity

[1]	gravitation , gravitation , gravitational attraction , attraction , gravitational force
[2]	graveness , seriousness , acuteness , sobriety , soberness , immediacy , importance , somberness , sombreness , significance , weight , magnitude , severity , urgency , exigency , momentousness , weightiness
[3]	solemnity , solemnity , dignity , sombreness , staidness , sedateness , sobriety , gravitas , soberness , reserve , gloominess , grimness