Opener

n.	1.	One who, or that which, opens.
	2.	A bottle opener or a can opener; as, you need an opener to get the cap off.

Noun	1.	opener - the first event in a series; "she played Chopin for her opener"; "the season's opener was a game agains the Yankees"
	2.	opener - a person who unfastens or unwraps or opens; "children are talented undoers of their shoelaces" Synonyms: unfastener, untier, undoer
	3.	opener - a hand tool used for opening sealed containers (bottles or cans)

bottle opener, can opener, church key, clavis, coming out, corkscrew, curtain raiser, debut, embarkation, embarkment, first appearance, floating, flotation, inaugural address, inauguration, induction, initiation, installation, installment, introduction, key, latchkey, latchstring, launching, maiden speech, master key, open sesame, passkey, preliminary, skeleton key, tin opener, unveiling