noun
induction
in-DUHK-shuhn/ɪnˈdʌkʃn/
Formal admission or orientation into a new role, group, or institution.
The handshake and membership pin mark the new member's induction into the club.

Etymology
A “leading in” became an introduction or admission. In the selected sense, induction names formal entry into a role or group, as in its early use for installing a clergyman.
In context
NCO and senior NCO induction ceremonies follow the promotion cycles at the 120th Fighter Wing
More examples
- During induction, new volunteers learn the organization's rules and meet its leaders.
- His induction into the Army marks a major change in his life.
- The society holds two inductions each year.
Forms
induction · inductions
induct verb — To formally admit into a group.
inductee noun — A person formally admitted into a group.
Similar words
- initiation
- Often includes rituals marking admission to a group.
- orientation
- Focuses on practical guidance rather than formal admission.
- installation
- Emphasizes officially placing someone in a particular office.