(theater) To enter the stage. / (figuratively) To enter noticeably.

(idiomatic) Alternative form of new wine in an old bottle

operations research

(transitive with for) to behave in a way that other people should.

(politics) According to Marxist theory, the chaotic and volatile nature of all commodity production based on private property, as opposed to planned economies.

An ideology with elements of anarchism and nationalism.

(psychoanalysis) The stage of psychosocial development in which the chief erogenous zone is the anus and the child gains pleasure from learning to control the bowel and bladder.

Abbreviation of analogy.

Alternative form of Xi'an

Alternative form of Anyang