[ noun ] the act of starting something for the first time; introducing something new <noun.act> she looked forward to her initiation as an adultthe foundation of a new scientific society
Instauration \In`stau*ra"tion\, n. [L. instauratio: cf. F. instauration.] Restoration after decay, lapse, or dilapidation; renewal; repair; renovation; renaissance.
Some great catastrophe or . . . instauration. --T. Burnet.