Halakha is binding but evolves through scholarship

Conservative (Masorti) Jews affirm that halakha, Jewish law, is binding upon them, and at the same time that it has always developed through the interpretation of qualified scholars responding to new conditions. The movement holds together two commitments that it sees as historically inseparable: fidelity to the received legal tradition, and the recognition, drawn from modern historical study, that the law has changed over the centuries through rabbinic reasoning. Its rabbinical body issues rulings that can permit change, on questions such as driving to synagogue or the roles of women, while insisting the process remain within halakhic method.

The movement's intellectual roots reach to Zecharias Frankel, a nineteenth-century German rabbi who broke from the more radical wing of Reform at the 1845 Frankfurt rabbinical conference to found what he called Positive-Historical Judaism, insisting that Jewish law be studied through its actual historical development even while remaining religiously binding. Solomon Schechter later carried this approach to the United States, reorganizing the Jewish Theological Seminary in New York from 1902 and shaping it into the institutional and intellectual center of what became American Conservative Judaism, a movement that has continued to understand halakha through the same combination of historical-critical scholarship and binding religious authority Frankel first articulated.

This affirmation defines Conservative Judaism's position between Orthodoxy, which holds the law binding and resists such development, and Reform, which treats observance as a matter of informed personal choice. The movement presents itself as conserving traditional practice while allowing disciplined evolution, so that change must be argued from within the sources rather than adopted by individual preference. The belief is thus both a theology of law and the organising principle that distinguishes the movement from its neighbours.

The movement's Committee on Jewish Law and Standards has issued a series of landmark rulings often cited as test cases of its method: a 1950 responsum permitting driving to synagogue on Shabbat where walking distance made attendance otherwise impossible, the 1983 decision to ordain women as rabbis, and a 2006 ruling easing restrictions on gay and lesbian ordination and commitment ceremonies. Each ruling was argued, in keeping with the movement's founding principle, from within halakhic sources and precedent rather than simply set aside, though Orthodox authorities have generally rejected the resulting conclusions as illegitimate applications of the method, disputes that illustrate exactly how contested the boundary between faithful development and departure from halakha can be in practice.