Any instance of someone's or something's being christened.
The Christian sacrament at which someone, usually a child, is baptized and given a Christian name.
The coming-of-age celebration of a woman's eighteenth birthday.
The first appearance of a debutante in society.
The first public presentation of a theatrical play, motion picture, opera, musical composition, dance, or other performing arts piece.
A performer's first performance to the public, in sport, the arts or some other area.
to formally introduce, as to the public
to make one's initial formal appearance