Shura's standing as a principle rests on two verses that Muslim commentators return to repeatedly: verse 3:159 instructs Muhammad himself to consult his companions on the community's affairs, and 42:38 praises believers whose affairs are conducted by mutual consultation among themselves, giving the practice scriptural weight beyond ordinary custom. The clearest early instance of shura shaping an actual decision came after the death of the second caliph, Umar, in 644: rather than name a successor outright, he appointed a council of six senior companions and charged them with choosing the next caliph among themselves, a deliberate use of consultation to resolve a succession that had already caused conflict once before.
The council's deliberation produced Uthman as the third caliph, and the episode became the reference point later Muslim political thought returned to whenever it argued that legitimate authority required consultation rather than pure inheritance or conquest. The word has had a second life in the modern period as a name for actual legislative bodies, most visibly in the Majlis al-Shura that serves as a formal consultative or parliamentary assembly in several contemporary states, carrying the old Quranic term into a distinctly modern institution.