The doctrine of zhengming does not stand alone in Confucian thought. It is woven into the broader framework of social roles (lun), ritual propriety (li), and humaneness (rén). Each of these concepts depends on language operating correctly, and each deepens what rectification requires.
Social roles in Confucian thought are relational: ruler/minister, parent/child, husband/wife, elder/younger, friend/friend. These are the five fundamental relationships (wu lun). Each relationship is constituted in part by the names and titles used to address its members and by the ritual conduct those names entail. When Confucius says "let the ruler be a ruler, the minister a minister, the father a father, the son a son" (Analects 12.11), he is not making a tautological statement. He is making a normative demand: let the person who bears the name live up to what the name requires. The name is a moral commitment.
Mencius, the great second-generation Confucian, extended zhengming in a politically explosive direction. A ruler who fails to govern humanely has forfeited the name of ruler; the people may rightfully depose him. This is not rebellion, it is correction of a false name. Naming is power, but it is power constrained by reality: you cannot sustain a false name indefinitely without social consequences.
Xunzi, another major Confucian, wrote extensively on the philosophy of language in his chapter Zhengming (On the Correct Use of Names). He argues that names are conventional, there is no natural necessity linking the sound "horse" to horses, but once established by the sage-kings, they must be fixed and used consistently. Linguistic drift, innovation, and misuse corrupt the transmission of culture. Xunzi's position is closer to modern conventionalism about language, but he shares Confucius's concern: unchecked linguistic change dissolves the bonds of social memory.
A concrete illustration from Chinese history: during the Cultural Revolution (1966–1976), the systematic renaming of intellectuals as "enemies," "class traitors," and "rightists" had exactly the cascading effect Confucius feared. Once the names changed, speech changed, affairs changed, punishments were unleashed without proportion. Critics of the Maoist project often reached back to zhengming as a resource: the crisis was, at root, a crisis of false names.
The tradition speaks directly to contemporary debates about political language. When institutions are called "democratic" without democratic practice, when violence is called "security," when exploitation is called "development", the Confucian diagnosis is precise: names have been severed from roles, speech has uncoupled from truth, and the cascade follows.