This country offers great opportunities and has a vitality—embodied in Chicago, for instance—that I love and find fascinating.
This new order by Secretary Gates will have a sedative effect on the vitality of American democracy.
Jung says that we lose our vitality in playing the role if we identify with it.
vitality vi·tal·i·ty (vī-tāl'ĭ-tē)
The capacity to live, grow, or develop.
Physical or intellectual vigor; energy.