a volte-face

(formal)

a sudden change of a belief or plan to the opposite of what it was before In the early 90's he made a complete political volte-face, moving from the Republican Party to the Democrats.

Common Names:

Name	Pronounced	Usage
Dent	[dent]
Lowri	-	Welsh
Tenzin	-	Tibetan, Bhutanese
Veera	VE:-rah	Finnish
Cecil	['sesl]
Fihr	-	Arabic