(v): bring something new to an environment
(v): appear for the first time in public
(v): be performed or presented for public viewing
(v): make one's debut
(v): give a performance (of something)
(n): the act of beginning something new
(n): the act of starting something
(n): the presentation of a debutante in society
(n): formally making a person known to another or to the public
See coming out party