S: (n) energy, vim, vitality (a healthy capacity for vigorous activity) "jogging works off my excess energy"; "he seemed full of vim and vigor"
S: (n) life force, vital force, vitality, elan vital ((biology) a hypothetical force (not physical or chemical) once thought by Henri Bergson to cause the evolution and development of organisms)
S: (n) animation, vitality (the property of being able to survive and grow) "the vitality of a seed"