inaugural

Of, relating to, or characteristic of an inauguration.

Initial; first.

An inauguration.

A speech given by a person being formally inducted into office.

Pertaining to, connected with, or forming part of an inauguration: as, inaugural ceremonies.

An inaugural address.

Pertaining to, or performed or pronounced at, an inauguration

An inaugural address.

Of inauguration; as in a speech or lecture by the person being inaugurated.

Marking the beginning of an operation, venture etc.