|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
initiation in·i·ti·a·tion (ĭ-nĭsh'ē-ā'shən)
The act or an instance of initiating.
The condition of being initiated.
The first stage of tumor induction by a carcinogen in which cells are altered so that they are likely to form a tumor upon subsequent exposure to a promoting agent.