Within the Vinaya Piṭaka, ordination appears as a carefully structured legal and spiritual act, rather than a mere personal decision. It unfolds in two broad stages: *pabbajjā*, the going forth as a novice, and *upasampadā*, the higher ordination that establishes one as a fully ordained monastic. In *pabbajjā*, a candidate approaches a qualified preceptor, requests admission, has the head shaved, dons the robes, and undertakes the basic precepts, thereby becoming a novice. This initial step already reflects the Vinaya’s concern with clarity of intention, visible renunciation, and the assumption of a disciplined way of life.

The higher ordination, *upasampadā*, is treated as a formal communal act (*saṅghakamma*), and so it is framed by conditions that safeguard both the individual and the community. The candidate must be of suitable age—at least twenty years—and normally have undergone prior novice training. A qualified preceptor assumes responsibility, and a properly constituted Saṅgha is convened within an agreed boundary, with a required quorum of fully ordained monks present. The Vinaya emphasizes that this act belongs to the community, not to a single teacher, and that harmony within the assembly is a prerequisite for its validity.

Before the ordination can proceed, the candidate is examined through a series of questions that probe eligibility and freedom from disqualifying conditions. These inquiries address matters such as human status, gender in the case of bhikkhu or bhikkhunī ordination, age, freedom from debt and slavery, absence of certain serious diseases, and lack of binding obligations to rulers or creditors. Questions also extend to issues like criminal history and particular physical or sexual conditions, since these could impede the life of training envisioned by the Vinaya. If any disqualifying factor is revealed, the process is halted, underscoring that ordination is not a right but a carefully conferred responsibility.

Once the candidate is found suitable, the Saṅgha performs the decisive act through a formal motion and proclamation. A designated monk announces the proposal that the candidate, under a named preceptor, be granted *upasampadā*, and this motion is then proclaimed three times to the assembly. After each proclamation, the community is invited to voice any objections, and silence is treated as consent. When no valid objection is raised through these three announcements, the act is complete, and the candidate is recognized as a bhikkhu or bhikkhunī, bound by the full training rules. From that point, the preceptor and other teachers guide the new monastic in living out the discipline that the Vinaya so meticulously sets forth.