Inauguratory
The Century Dictionary and Cyclopedia
Pertaining or suited to inauguration.
the GNU version of the Collaborative International Dictionary of English
adjective.
Suitable for, or pertaining to, inauguration.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Inaugural
; being the first instance.
Word Usage
"But after so many inauguratory gratulations, nuptial hymns, and funeral dirges, he must be highly favoured by nature, or by fortune, who says anything not said before."