(n) one's sister-in-law
(n) father-in-law
foster father
stepfather
(n) mother-in-law
foster mother
stepmother
(n) (sl) sexual intercourse permitted (by a woman) due to a sense of obligation (rather than desire)
(n) (sl) sexual intercourse permitted (by a woman) due to a sense of obligation (rather than desire)
(n,adj-na,adj-no) perfunctory
going-through-the-motions-sort of (invitation, gift, etc.)
(adj-i) possessed of a strong sense of duty
(n) social relationship
friendship
(n) duty and humanity
(a sense of) moral obligation and humane feelings
(n,vs) doing one's duty
(n) parliamentarism
(n) objectivism
(n) radicalism
(n) nihilism
(n) epicureanism
hedonism
(n,adj-no) communism
collectivism
(P)
(n) coexistentialism
(n,adj-no) republicanism
(n) collaboration
(n) dogmatism
(n) meritocracy
performance-based system
achievement-based system
(n) the principle of honorable death and no surrender
(n,adj-no) stoicism
asceticism
(n,adj-no) modernism
(n,adj-no) militarism
(P)
(n) illuminism
enlightenment
(n,adj-no) formalism
(n) Pietism
(n,adj-no) (1) empiricism
(2) judging things from personal experience
(n) tokenism
appearance for appearance's sake