Meaning of DUMMY UP

WordNet Dictionary
	Definition:		[v]  refuse to talk or stop talking; fall silent; "The children shut up when their father approached" [v]  make a dummy of; as of books or pages to be published
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	Synonyms:		be quiet, belt up, button up, clam up, close up, dummy, keep mum, shut up
	Antonyms:		open up
	See Also:		create, make, produce