Answer:

acti

Answer	Crossword Clue
ACTI	Opera opener
ACTI	Play beginning
ACTI	Play opener

ACTI	Play opening
ACTI	Broadway opener
ACTI	Play part
ACTI	"Twelfth Night" opener
ACTI	Broadway opening
ACTI	When Romeo met Juliet
ACTI	Play start
ACTI	"Wicked" opening?

ACTI	When no one dies, in "Romeo and Juliet"
ACTI	It might follow an overture
ACTI	It starts when the overture's over
ACTI	When Romeo meets Juliet
ACTI	Opening scenes
ACTI	Curtain-raiser
ACTI	Intermission preceder
ACTI	Overture follower

ACTI	Curtain opener
ACTI	Stage start
ACTI	Play's first part
ACTI	Play's opening
ACTI	Dramatic opening
ACTI	Start of "Hamlet"
ACTI	Prologue follower
ACTI	Shakespearean start

ACTI	Play's beginning
ACTI	Play's kickoff?
ACTI	It contains the opening scene
ACTI	Play-synopsis subhead
ACTI	When the ghost of Hamlet's father first appears
ACTI	When the soothsayer tells Caesar "Beware the ides of March"
ACTI	"Macbeth" opener
ACTI	Dramatic beginning

ACTI	In "Macbeth," it begins "When shall we three meet again"
ACTI	It may follow an overture
ACTI	Start of a play
ACTI	When Hamlet's father's ghost appears
ACTI	When King Lear disinherits Cordelia