importance, consequence, significance

important, significant

extraordinary, unusual

very; extremely / exceedingly; tremendously

emergency

(archaic) the world in which people live; the world, society

(dated, rare) a place devoid of people

human, person, human being / personality, character / (Buddhism) literally meaning: "human society", referring to one of the six realms of reincarnation in Buddhist cosmology.

nature / spontaneity

natural / spontaneous