Debut n. : A beginning or first attempt; hence, a first appearance before the public, as of an actor or public speaker.

Example:
What rookie had the most assists in their playoff Debut and how many was it?

Taxonomy
Debut Records, free encyclopedia, search, free dictionary, incorrectly, Björk, jazz record label, formal introduction, society, cultures, ball dance, public performance, entertainment personality, disambiguation pages, Personal tools, Interaction, Toolbox, Languages.

Defination from the web:
Debut Records, a U.S. jazz record label. Debut may also refer to: The formal introduction of a debutante to society in some cultures, often at a ball dance or similar event ... Retrieved from "http://en.wikipedia.org/wiki/Debut" Categories: Disambiguation pages | French loanwords ...