component, element

smooth, trouble free

important, significant

importance, consequence, significance

(philosophy) morality / (philosophy) ethics

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

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

(dated, rare) a place devoid of people

relationship, relation / involvement, participation / personal connection, family relationship / romantic relationship

be related / be romantically involved