activate
admission
advertisement
advertising
appear
appearance
background
begin
beginning
business
chance
commence
communicate
communication
concept
concert
debut
entrance
event
famous
first
graduate
initial
initiate
intro
introduce
introduction
kickoff
launch
level
move
music
new
newbie
open
opener
opening
performance
premiere
presentation
presenting
public
publish
rookie
show
stage
start
step
time
word