societal (adj.)

1530s, "companionship, friendly association with others," from Old French societe "company" (12c., Modern French société), from Latin societatem (nominative societas) "fellowship, association, alliance, union, community," from socius "companion, ally," from PIE *sokw-yo-, suffixed form of root *sekw- (1) "to follow."

The meaning "group, club" is from 1540s, originally of associations of persons for some specific purpose. The meaning "people bound by neighborhood and intercourse aware of living together in an ordered community" is from 1630s. The sense of "the more cultivated part of any community" is recorded by 1823, hence "fashionable people and their doings."

The Society Islands were named 1769 by Cook on his third Pacific voyage in honor of the Royal Society, which financed his travels across the world to observe the transit of Venus.

suffix forming adjectives from nouns or other adjectives, "of, like, related to, pertaining to," Middle English -al, -el, from French or directly from Latin -alis (see -al (2)).